Transport infrastructure investment and exports growth in South Africa
- Authors: Gengele , Nosiphelo
- Date: 2019
- Subjects: Transportation -- South Africa Infrastructure (Economics) -- South Africa
- Language: English
- Type: Thesis , Masters , MCom (Transport Economics)
- Identifier: http://hdl.handle.net/10353/13370 , vital:39638
- Description: The transport sector is very important in facilitating trade and travel between and within nations. It is at the core of every country‟s economy. In order for transport to play this critical role, this research suggests that it is important for countries to invest in infrastructure. This study examined the impact of transport infrastructure investment on export growth in South Africa for the period of 1994 to 2017. The standard procedure in interpreting the long-run VECM results was applied. All the variables enter the long-run equation significantly, and the signs and magnitudes also appear reasonable. The long run results suggest that transport infrastructure investment have a positive effect on exports in South Africa. As indicated on the long-run equation, transport infrastructure investment is significant in specification; the positive coefficient of the variable in the regression suggests that an increase in investment in the transport infrastructure will lead to an increase in exports. A vector error correction model was estimated with exports, transport infrastructure investment, real effective exchange rate, world gross domestic product, export prices and consumer price index. The variance decompositions show that exports have a high level of inertia in the first year with most of the variations dependent on past export variations. In the second year, employment contributes significantly to variations in exports. Transport infrastructure investment makes very little contribution. Impulse responses show that a positive shock to infrastructure investments increases exports marginally. The results of the study have revealed a number of policy implications that affect transport infrastructure investment and exports. It is highly recommended that government should improve transport infrastructure for all modes of transport as this will lead to an increase in the level of exports in South Africa. Empirical evidence shows that transport infrastructure investment granger cause exports. Government expenditure in transport infrastructure has been considered s one of the means to enhance economic development and transport sector operates as the crucial engine of the economic growth in both developed and developing countries
- Full Text:
- Date Issued: 2019
- Authors: Gengele , Nosiphelo
- Date: 2019
- Subjects: Transportation -- South Africa Infrastructure (Economics) -- South Africa
- Language: English
- Type: Thesis , Masters , MCom (Transport Economics)
- Identifier: http://hdl.handle.net/10353/13370 , vital:39638
- Description: The transport sector is very important in facilitating trade and travel between and within nations. It is at the core of every country‟s economy. In order for transport to play this critical role, this research suggests that it is important for countries to invest in infrastructure. This study examined the impact of transport infrastructure investment on export growth in South Africa for the period of 1994 to 2017. The standard procedure in interpreting the long-run VECM results was applied. All the variables enter the long-run equation significantly, and the signs and magnitudes also appear reasonable. The long run results suggest that transport infrastructure investment have a positive effect on exports in South Africa. As indicated on the long-run equation, transport infrastructure investment is significant in specification; the positive coefficient of the variable in the regression suggests that an increase in investment in the transport infrastructure will lead to an increase in exports. A vector error correction model was estimated with exports, transport infrastructure investment, real effective exchange rate, world gross domestic product, export prices and consumer price index. The variance decompositions show that exports have a high level of inertia in the first year with most of the variations dependent on past export variations. In the second year, employment contributes significantly to variations in exports. Transport infrastructure investment makes very little contribution. Impulse responses show that a positive shock to infrastructure investments increases exports marginally. The results of the study have revealed a number of policy implications that affect transport infrastructure investment and exports. It is highly recommended that government should improve transport infrastructure for all modes of transport as this will lead to an increase in the level of exports in South Africa. Empirical evidence shows that transport infrastructure investment granger cause exports. Government expenditure in transport infrastructure has been considered s one of the means to enhance economic development and transport sector operates as the crucial engine of the economic growth in both developed and developing countries
- Full Text:
- Date Issued: 2019
The design of a Memorial Park and a Promatorium complex in Humewood Extention, Port Elizabeth
- Authors: Cochrane, Camryn
- Date: 2018
- Subjects: Terrain vague -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/23750 , vital:30616
- Description: This treatise is the result of an initial interest in the concept of ‘terrain vague’, the phenomenon of disconnected spaces that are internal to the city yet exist outside the effective and functioning networks of the urban system (Sola-Morales 1995, 120). The notion of terrain vague informs the theoretical preoccupation of this study and sets the basis on which the contextual and programmatic concerns are considered and explored. The harbour precinct of Port Elizabeth was selected as the focus area for the study, in which the characteristics of the terrain vague were uncovered through a series of maps, diagrams and photographs. The role of the cemetery as a type of terrain vague in the urban fabric is simultanelously investigated. The study refers to Richard Weller’s interpretation of the nature of the contemporary city and principles of landscape urbanism as a basis for developing ways of approaching the city and it’s spaces of terrain vague.Through this, the study is situated predominantly in the ecological discourse. The use of precedant studies as a means of exploring the application of the theoretical principles discussed in this study is key to providing the reader with a contextual understanding and clarity. The architectural intervention proposes a memorial park in the harbour precinct. This aims to generate a spatial awakening of the terrian vague. By reclaiming the denatured landscape (oil tank farm) and re-scripting it as a culturally significant area that is re-integrated into the public realm, the opportunity to rehabilitate the ecological flows of the city is realised. The design of a promatorium complex within the proposed memorial Park aims to re-introduce the funerary landscape into the city and in doing so challenges the threat of cemetries remaining as spaces of terrain vague. The promatorium complex is seen as a facility that supports the functions of the memorial park as a commemorative landscape in the 21st century. In all this intervention aims to transform a disregarded wasteland into an operational landscape. The aim is to enhance the ecological systems of the city and by extension to reconcile the interface between man and nature.
- Full Text:
- Date Issued: 2018
- Authors: Cochrane, Camryn
- Date: 2018
- Subjects: Terrain vague -- South Africa -- Port Elizabeth
- Language: English
- Type: Thesis , Masters , MArch
- Identifier: http://hdl.handle.net/10948/23750 , vital:30616
- Description: This treatise is the result of an initial interest in the concept of ‘terrain vague’, the phenomenon of disconnected spaces that are internal to the city yet exist outside the effective and functioning networks of the urban system (Sola-Morales 1995, 120). The notion of terrain vague informs the theoretical preoccupation of this study and sets the basis on which the contextual and programmatic concerns are considered and explored. The harbour precinct of Port Elizabeth was selected as the focus area for the study, in which the characteristics of the terrain vague were uncovered through a series of maps, diagrams and photographs. The role of the cemetery as a type of terrain vague in the urban fabric is simultanelously investigated. The study refers to Richard Weller’s interpretation of the nature of the contemporary city and principles of landscape urbanism as a basis for developing ways of approaching the city and it’s spaces of terrain vague.Through this, the study is situated predominantly in the ecological discourse. The use of precedant studies as a means of exploring the application of the theoretical principles discussed in this study is key to providing the reader with a contextual understanding and clarity. The architectural intervention proposes a memorial park in the harbour precinct. This aims to generate a spatial awakening of the terrian vague. By reclaiming the denatured landscape (oil tank farm) and re-scripting it as a culturally significant area that is re-integrated into the public realm, the opportunity to rehabilitate the ecological flows of the city is realised. The design of a promatorium complex within the proposed memorial Park aims to re-introduce the funerary landscape into the city and in doing so challenges the threat of cemetries remaining as spaces of terrain vague. The promatorium complex is seen as a facility that supports the functions of the memorial park as a commemorative landscape in the 21st century. In all this intervention aims to transform a disregarded wasteland into an operational landscape. The aim is to enhance the ecological systems of the city and by extension to reconcile the interface between man and nature.
- Full Text:
- Date Issued: 2018
The Impact of Automobile Trade on Economic Growth: A Comparative Study of South Africa and Brazil
- Bhasa, W
- Authors: Bhasa, W
- Date: 2018
- Subjects: Automobile industry and trade
- Language: English
- Type: Thesis , Masters , MCom (Economics)
- Identifier: http://hdl.handle.net/10353/13292 , vital:39631
- Description: Economic theory suggests that trade plays a critical role in the economic performance of a country. South Africa and Brazil’s automobile trade has been greatly influenced by government intervention through policy regimes with essentially similar objectives. Through the Automotive Production Development Programme in South Africa and the Plano Brasil Maior in Brazil, both countries have invested much effort in legislation, technology and capital to boost the automobile industry and overcome challenges of strengthening the automotive value chain, sustaining employment, raising productivity and increasing sales volumes both internally and on foreign markets. In light of such government interventions, this study investigates the contribution of the automobile trade on economic growth on South Africa and Brazil. The major concern is to determine whether the impact of the automobile trade is greater in South Africa and lesser in Brazil or vice-versa. This paper uses panel data analysis through the Least Squares Dummy Variable technique using quarterly data from 1995 to 2016. The regression results show that exports of automobiles, domestic investment in automobile trade, employment levels in the automobile industry together with the levels of general government expenditure positively affect GDP growth while imports of automobiles and inflation have a negative effect on general economic performance. Both countries should continue with automobile trade and governments should offer more production incentives and tax exemptions for component imports. Automobile industries are strategic industries which need government protection. Promotion of long-term partnerships and relationships within the automotive industry will play a critical role in boosting production with associated deepening of the components industry. The LSDV model results reveal that the individual country effects are statistically significant; this implies that the results for South Africa and Brazil differ. South Africa had a higher country coefficient which indicates that they benefitted more from the automobile trade than Braz
- Full Text:
- Date Issued: 2018
- Authors: Bhasa, W
- Date: 2018
- Subjects: Automobile industry and trade
- Language: English
- Type: Thesis , Masters , MCom (Economics)
- Identifier: http://hdl.handle.net/10353/13292 , vital:39631
- Description: Economic theory suggests that trade plays a critical role in the economic performance of a country. South Africa and Brazil’s automobile trade has been greatly influenced by government intervention through policy regimes with essentially similar objectives. Through the Automotive Production Development Programme in South Africa and the Plano Brasil Maior in Brazil, both countries have invested much effort in legislation, technology and capital to boost the automobile industry and overcome challenges of strengthening the automotive value chain, sustaining employment, raising productivity and increasing sales volumes both internally and on foreign markets. In light of such government interventions, this study investigates the contribution of the automobile trade on economic growth on South Africa and Brazil. The major concern is to determine whether the impact of the automobile trade is greater in South Africa and lesser in Brazil or vice-versa. This paper uses panel data analysis through the Least Squares Dummy Variable technique using quarterly data from 1995 to 2016. The regression results show that exports of automobiles, domestic investment in automobile trade, employment levels in the automobile industry together with the levels of general government expenditure positively affect GDP growth while imports of automobiles and inflation have a negative effect on general economic performance. Both countries should continue with automobile trade and governments should offer more production incentives and tax exemptions for component imports. Automobile industries are strategic industries which need government protection. Promotion of long-term partnerships and relationships within the automotive industry will play a critical role in boosting production with associated deepening of the components industry. The LSDV model results reveal that the individual country effects are statistically significant; this implies that the results for South Africa and Brazil differ. South Africa had a higher country coefficient which indicates that they benefitted more from the automobile trade than Braz
- Full Text:
- Date Issued: 2018
The nexus between savings, investment and foreign capital in South Africa : an application of the Feldstein-Horioka puzzle
- Authors: Mtolo, Inga
- Date: 2018
- Subjects: Investments, Foreign -- South Africa Saving and investment -- South Africa Capital movements -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10353/8968 , vital:34177
- Description: This study investigates the relationship between savings, investment and foreign capital in South Africa, with special focus on the application of the Feldstein-Horioka theory. South Africa is a country that is still faced with relatively low saving levels. Given the low savings experienced by the country, available literature has alluded that foreign capital has played a greater role as the major driver of private investment expenditure in South Africa. Based on this background, the study empirically investigates the relationship between savings, investment and foreign capital utilising the Autoregressive Distributed Lag Model estimation technique for the period 1965 to 2015. The empirical results revealed that there is a positive and significant relationship between savings and investment in South Africa. The empirical results also show that for the period 1995 to 2015, the different types of external financial flows utilized in the study and investment have a positive relationship. These results have been consistent with our apriori expectations and other prior studies. This suggests that, in the case of South Africa, apart from interest rates, there are other factors that determine investment. The positive relationship between investment and foreign capital flows suggest that policies which are aimed at attracting the different types of foreign financial flows should be implemented.
- Full Text:
- Date Issued: 2018
- Authors: Mtolo, Inga
- Date: 2018
- Subjects: Investments, Foreign -- South Africa Saving and investment -- South Africa Capital movements -- South Africa
- Language: English
- Type: Thesis , Masters , MCom
- Identifier: http://hdl.handle.net/10353/8968 , vital:34177
- Description: This study investigates the relationship between savings, investment and foreign capital in South Africa, with special focus on the application of the Feldstein-Horioka theory. South Africa is a country that is still faced with relatively low saving levels. Given the low savings experienced by the country, available literature has alluded that foreign capital has played a greater role as the major driver of private investment expenditure in South Africa. Based on this background, the study empirically investigates the relationship between savings, investment and foreign capital utilising the Autoregressive Distributed Lag Model estimation technique for the period 1965 to 2015. The empirical results revealed that there is a positive and significant relationship between savings and investment in South Africa. The empirical results also show that for the period 1995 to 2015, the different types of external financial flows utilized in the study and investment have a positive relationship. These results have been consistent with our apriori expectations and other prior studies. This suggests that, in the case of South Africa, apart from interest rates, there are other factors that determine investment. The positive relationship between investment and foreign capital flows suggest that policies which are aimed at attracting the different types of foreign financial flows should be implemented.
- Full Text:
- Date Issued: 2018
Consumers' attitudes towards ready-to-eat fast-food products and their relationship with obesity in Mdantsane township in the Eastern Cape Province, South Africa
- Authors: Matyolo, Pamela
- Date: 2017
- Subjects: Obesity -- South Africa -- Eastern Cape Obesity
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10353/9022 , vital:34183
- Description: The South African fast-food industry has experienced substantial recent growth. However, as consumers have incorporated more fast food into their daily diets, obesity has become a major problem. The aggressive marketing techniques of fast food firms coupled with the busy urban lifestyle have significant implications for dietary health habits. The study aimed at investigating consumers’ attitudes towards fast food and the relationship between fast food consumption and obesity. The field survey design of the study employed a mixed-methods approach involving the use of a semi-structured questionnaire. The study was limited to the Mdantsane Township located in the Eastern Cape Province of South Africa. A quota sample of 200 respondents (n = 200) was selected from which data were collected using a self-administered questionnaire. Descriptive results revealed that the participants had positive attitudes towards fast foods. Although they agreed that eating fast foods increased body weight, the participants mostly did not feel overweight or obese. The participants were well aware of the negative health implications of excessive fast food consumption. This knowledge generally did not deter their positive fast food attitudes, although participants expressed their desire for additional healthier fast food options in the market. Regression estimates further revealed that carbohydrate and starchy type of fast foods (𝑃 < 0.01), other sources of fast foods (𝑃 < 0.05), age group, physical appearance and meaty type of fast foods (𝑃 < 0.10) had significant influence on the frequency of fast food consumption. The results further revealed that physical appearance (𝑃 < 0.01), religion (𝑃 < 0.05), age group and supermarkets and source of fast foods (𝑃 < 0.1) had significant influence on respondents’ BMI scores. The study concludes that there exist socio-economic and institutional factors that have considerable bearing on consumers’ fast food consumption and BMI scores. The study advocates for public health policy making concerning awareness of the negative health consequences of fast food consumption targeting mostly young adult females who mainly purchase in franchises and supermarkets with a high meaty diet.
- Full Text:
- Date Issued: 2017
- Authors: Matyolo, Pamela
- Date: 2017
- Subjects: Obesity -- South Africa -- Eastern Cape Obesity
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10353/9022 , vital:34183
- Description: The South African fast-food industry has experienced substantial recent growth. However, as consumers have incorporated more fast food into their daily diets, obesity has become a major problem. The aggressive marketing techniques of fast food firms coupled with the busy urban lifestyle have significant implications for dietary health habits. The study aimed at investigating consumers’ attitudes towards fast food and the relationship between fast food consumption and obesity. The field survey design of the study employed a mixed-methods approach involving the use of a semi-structured questionnaire. The study was limited to the Mdantsane Township located in the Eastern Cape Province of South Africa. A quota sample of 200 respondents (n = 200) was selected from which data were collected using a self-administered questionnaire. Descriptive results revealed that the participants had positive attitudes towards fast foods. Although they agreed that eating fast foods increased body weight, the participants mostly did not feel overweight or obese. The participants were well aware of the negative health implications of excessive fast food consumption. This knowledge generally did not deter their positive fast food attitudes, although participants expressed their desire for additional healthier fast food options in the market. Regression estimates further revealed that carbohydrate and starchy type of fast foods (𝑃 < 0.01), other sources of fast foods (𝑃 < 0.05), age group, physical appearance and meaty type of fast foods (𝑃 < 0.10) had significant influence on the frequency of fast food consumption. The results further revealed that physical appearance (𝑃 < 0.01), religion (𝑃 < 0.05), age group and supermarkets and source of fast foods (𝑃 < 0.1) had significant influence on respondents’ BMI scores. The study concludes that there exist socio-economic and institutional factors that have considerable bearing on consumers’ fast food consumption and BMI scores. The study advocates for public health policy making concerning awareness of the negative health consequences of fast food consumption targeting mostly young adult females who mainly purchase in franchises and supermarkets with a high meaty diet.
- Full Text:
- Date Issued: 2017
Ubuntu: linking indigenous values with efforts in building a reconciled South Africa: the case of NMMU
- Authors: Pezisa, Lindiswa
- Date: 2017
- Subjects: Postcolonialism -- South Africa , South Africa -- Historiography -- Social aspects , Reparations for historical injustices -- South Africa , Xhosa (African people) -- Social life and customs
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/14477 , vital:27657
- Description: This thesis investigates the role that African indigenous value systems, Ubuntu in particular, could play in building a reconciled South Africa. In doing so a discourse analysis on Ubuntu is conducted and its potential in facilitating social cohesion in the quest for nation building. Specific focus is drawn on higher education an important task if we are to consider the accusation that higher education like its society, is still undergoing transformation and is under pressure to provide quality education for all people whilst also considering the large numbers of cultures that exist. For much needs to be done in redressing the imbalances caused by the apartheid education system which was organized according to racial lines. In doing so, Nelson Mandela Metropolitan University is utilised as a case study with narrative presentations of how students perceive this traditional African value and its applicability to reconciliation in a post conflict society. For seemingly, there is something inherently important about this value in that it has been invoked and referred to in many important instances in South African history.
- Full Text:
- Date Issued: 2017
- Authors: Pezisa, Lindiswa
- Date: 2017
- Subjects: Postcolonialism -- South Africa , South Africa -- Historiography -- Social aspects , Reparations for historical injustices -- South Africa , Xhosa (African people) -- Social life and customs
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/14477 , vital:27657
- Description: This thesis investigates the role that African indigenous value systems, Ubuntu in particular, could play in building a reconciled South Africa. In doing so a discourse analysis on Ubuntu is conducted and its potential in facilitating social cohesion in the quest for nation building. Specific focus is drawn on higher education an important task if we are to consider the accusation that higher education like its society, is still undergoing transformation and is under pressure to provide quality education for all people whilst also considering the large numbers of cultures that exist. For much needs to be done in redressing the imbalances caused by the apartheid education system which was organized according to racial lines. In doing so, Nelson Mandela Metropolitan University is utilised as a case study with narrative presentations of how students perceive this traditional African value and its applicability to reconciliation in a post conflict society. For seemingly, there is something inherently important about this value in that it has been invoked and referred to in many important instances in South African history.
- Full Text:
- Date Issued: 2017
Genotypic and phenotypic characterization of enterococci from cow dung and environmental water sources in three selected dairy farms in Amathole District
- Authors: Tanih, Godfred Ngu
- Date: 2016
- Subjects: Enterobacteriaceae Water -- Microbiology Enterococcus faecalis
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10353/2348 , vital:27755
- Description: Enterococcus species are integral members of the gastrointestinal microfloral of humans, animals, birds, as well as insects. Their presence in water and food has been greatly associated with faecal contamination. This study was aimed at evaluating the incidence of Enterococcus species in cow dung and environmental water sources in three commercial dairy farms. In addition, their antibiotic profiles were determined as well as resistance and virulence genes. Furthermore, the genetic relatedness of the isolates was determined by molecular typing method (RAPD PCR). Three hundred and thirty four water and faecal samples consisting of 117, 116 and 101 were collected from Seven Star Middle Drift and Fort Hare Dairy trusts respectively. Of the 334 samples collected, 289 were of faecal origin and 45 from water sources within the farms. All samples were screened for enterococci using culture base growth media and molecular methods targeting the tuf gene. Speciation was done using species-specific primers and the incidences of various species within the farms determined. Furthermore resistance to antibiotics and multidrug-resistant phenotypes were established using the disk diffusion method. Genes coding for virulence and resistance were also determined. From the samples collected, 313 (289 faecal and 24 water) presumptive enteroccocci were isolated, 305 of 313 (97.45 percent) were confirmed as Enterococcus of which 239 of 305 (78.38 percent) were identified as E. hirae, 15 of 305 (4.92 percent) as E. faecium, 12/305 (3.93 percent) as E. durans, 6 of 305 (1.97 percent) as E. faecalis and 33 of 305 (10.82 percent) were unidentified. Out of the five virulence genes that were targeted in the study only gelE (71.80 percent of 219/305) and ace (27.2 percent 83/305) were present in the isolates. Phenotypic resistance to antibiotics was observed is in all twelve antibiotics tested with multidrug resistance phenotypes detected in some enterococcal isolates most predominant in Seven Star and Middledrift dairy trust. Finally RAPD profiles of the isolates showed high relatedness between the strains from water and cow dung sources in all three commercial dairy farms suggesting possible contamination from cow dung to the water sources or vice versa.
- Full Text:
- Date Issued: 2016
- Authors: Tanih, Godfred Ngu
- Date: 2016
- Subjects: Enterobacteriaceae Water -- Microbiology Enterococcus faecalis
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10353/2348 , vital:27755
- Description: Enterococcus species are integral members of the gastrointestinal microfloral of humans, animals, birds, as well as insects. Their presence in water and food has been greatly associated with faecal contamination. This study was aimed at evaluating the incidence of Enterococcus species in cow dung and environmental water sources in three commercial dairy farms. In addition, their antibiotic profiles were determined as well as resistance and virulence genes. Furthermore, the genetic relatedness of the isolates was determined by molecular typing method (RAPD PCR). Three hundred and thirty four water and faecal samples consisting of 117, 116 and 101 were collected from Seven Star Middle Drift and Fort Hare Dairy trusts respectively. Of the 334 samples collected, 289 were of faecal origin and 45 from water sources within the farms. All samples were screened for enterococci using culture base growth media and molecular methods targeting the tuf gene. Speciation was done using species-specific primers and the incidences of various species within the farms determined. Furthermore resistance to antibiotics and multidrug-resistant phenotypes were established using the disk diffusion method. Genes coding for virulence and resistance were also determined. From the samples collected, 313 (289 faecal and 24 water) presumptive enteroccocci were isolated, 305 of 313 (97.45 percent) were confirmed as Enterococcus of which 239 of 305 (78.38 percent) were identified as E. hirae, 15 of 305 (4.92 percent) as E. faecium, 12/305 (3.93 percent) as E. durans, 6 of 305 (1.97 percent) as E. faecalis and 33 of 305 (10.82 percent) were unidentified. Out of the five virulence genes that were targeted in the study only gelE (71.80 percent of 219/305) and ace (27.2 percent 83/305) were present in the isolates. Phenotypic resistance to antibiotics was observed is in all twelve antibiotics tested with multidrug resistance phenotypes detected in some enterococcal isolates most predominant in Seven Star and Middledrift dairy trust. Finally RAPD profiles of the isolates showed high relatedness between the strains from water and cow dung sources in all three commercial dairy farms suggesting possible contamination from cow dung to the water sources or vice versa.
- Full Text:
- Date Issued: 2016
Investigation of α-aryl substituted 3-indolylethanones as potential antiplasmodial agents
- Authors: Svogie, Archibald Lesley
- Date: 2016
- Language: English
- Type: text , Thesis , Masters , MPharm
- Identifier: http://hdl.handle.net/10962/55487 , vital:26704
- Description: According to the World Health Organisation (WHO), deaths attributed to Plasmodium falciparum exceeded 584 000 in 2013, with 198 million new cases of malaria being reported. One contributing factor to these alarming figures is the emergence of drug resistance against available antimalarial agents. Therefore, there is a pressing need to develop new therapeutic antimalarial drugs with novel mechanisms of action in order to curb the increasing spread of malaria. The indole scaffold is often associated with biologically active compounds, recently exemplified by the antimalarial agent NITD609, which is currently in phase 1 clinical trials. Based on the biological evaluation of a small series of indolyl-3-amides and esters which showed moderate antimalarial activity, coupled to significant toxicity, we were prompted to investigate the synthesis of a series of indolyl-3-ethanone-α-amines (3.37 and 3.41), ethers (3.39 and 3.44) and thioethers (3.42, 3.43, 3.40, 3.45 – 3.73), where the carbonyl moiety and respective heteroatom were separated by a methine spacer. We further investigated these compounds for in vitro biological activity against P. falciparum and a human HeLa cell line. Our study explored the synthetic pathway of a three-step procedure toward our target compounds, with the initial Friedel-Crafts acetylation of indole, followed by α-bromination of the respective 3-acetylindoles. Finally, the halogen of the α-bromo ketone was substituted with an appropriate nucleophile, to yield our desired compounds. Various reagents were explored to optimise the nucleophilic displacement step, including potassium carbonate and various silver containing compounds. While many of the silver salts were found to assist in nucleophilic substitution, none were superior to the addition of potassium carbonate. The majority of compounds, chiefly the thioethers, displayed promising antimalarial activity, against the chloroquine sensitive 3D7 P. falciparum strain, with two thioethers in particular (3.54 and 3.65) inhibiting P. falciparum in the low nanomolar range. Additionally, active compounds were generally found to be non-toxic against HeLa cells, indicating that indolyl-3-thioethers are selective for the malaria parasite. These findings allowed us to begin hypothesising a structure activity relationship of this class, as well as elucidating the possible pharmacophore. In a speculative attempt to uncover the possible mechanism of action of these active compounds, in silico docking studies were conducted against Staphylococcus aureus HPPK (PDB ID: 4CRJ), which is an enzyme that immediately precedes DHPS in the microbial folate biosynthesis. Inhibition of folate biosynthesis is a validated selective antimalarial pathway and HPPK also exists in P. falciparum. Results from these docking studies suggested that our inhibitors bound well in the HPPK ATP pocket and were supportive of our hypothesized structure activity relationship.
- Full Text:
- Date Issued: 2016
- Authors: Svogie, Archibald Lesley
- Date: 2016
- Language: English
- Type: text , Thesis , Masters , MPharm
- Identifier: http://hdl.handle.net/10962/55487 , vital:26704
- Description: According to the World Health Organisation (WHO), deaths attributed to Plasmodium falciparum exceeded 584 000 in 2013, with 198 million new cases of malaria being reported. One contributing factor to these alarming figures is the emergence of drug resistance against available antimalarial agents. Therefore, there is a pressing need to develop new therapeutic antimalarial drugs with novel mechanisms of action in order to curb the increasing spread of malaria. The indole scaffold is often associated with biologically active compounds, recently exemplified by the antimalarial agent NITD609, which is currently in phase 1 clinical trials. Based on the biological evaluation of a small series of indolyl-3-amides and esters which showed moderate antimalarial activity, coupled to significant toxicity, we were prompted to investigate the synthesis of a series of indolyl-3-ethanone-α-amines (3.37 and 3.41), ethers (3.39 and 3.44) and thioethers (3.42, 3.43, 3.40, 3.45 – 3.73), where the carbonyl moiety and respective heteroatom were separated by a methine spacer. We further investigated these compounds for in vitro biological activity against P. falciparum and a human HeLa cell line. Our study explored the synthetic pathway of a three-step procedure toward our target compounds, with the initial Friedel-Crafts acetylation of indole, followed by α-bromination of the respective 3-acetylindoles. Finally, the halogen of the α-bromo ketone was substituted with an appropriate nucleophile, to yield our desired compounds. Various reagents were explored to optimise the nucleophilic displacement step, including potassium carbonate and various silver containing compounds. While many of the silver salts were found to assist in nucleophilic substitution, none were superior to the addition of potassium carbonate. The majority of compounds, chiefly the thioethers, displayed promising antimalarial activity, against the chloroquine sensitive 3D7 P. falciparum strain, with two thioethers in particular (3.54 and 3.65) inhibiting P. falciparum in the low nanomolar range. Additionally, active compounds were generally found to be non-toxic against HeLa cells, indicating that indolyl-3-thioethers are selective for the malaria parasite. These findings allowed us to begin hypothesising a structure activity relationship of this class, as well as elucidating the possible pharmacophore. In a speculative attempt to uncover the possible mechanism of action of these active compounds, in silico docking studies were conducted against Staphylococcus aureus HPPK (PDB ID: 4CRJ), which is an enzyme that immediately precedes DHPS in the microbial folate biosynthesis. Inhibition of folate biosynthesis is a validated selective antimalarial pathway and HPPK also exists in P. falciparum. Results from these docking studies suggested that our inhibitors bound well in the HPPK ATP pocket and were supportive of our hypothesized structure activity relationship.
- Full Text:
- Date Issued: 2016
Potential benefits and experienced challenges of small household biogas-digesters for rural households
- Authors: Langley, Kyle Anthony
- Date: 2016
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:4789 , http://hdl.handle.net/10962/d1021268
- Description: Access to renewable energy supplies is a critical foundation for sustainable development and poverty alleviation. Anaerobic biogas-digesters also referred to as bio-digesters, have been identified as one of the leading technologies with regards to assisting in improving energy access for remote rural areas that still remain dependent upon biomass usage. This thesis assesses the potential feasibility of bio-digesters for rural households in South Africa by focusing on the experiences of a remote and rural community in Eastern Cape. A standardised survey was used to capture household details and energy use patterns of households with 180 interviews being conducted. Field observations were also conducted on the five bio-digesters installed in the community over a three month period. Despite the predominance of electrification in the community, households were heavily reliant upon biomass in the form of fuelwood and cattle dung to supplement their energy needs. Households supplemented their energy usage with alternative energy sources such as LPG gas and paraffin, especially during periods when electricity was unavailable or deemed too expensive. Initial knowledge of bio-digester technology in the community was non-existent, however with the installation of bio-digesters within the targeted villages, social learning was observed. Despite low temperatures bio-digesters continued to function throughout the study period, though malfunctions did occur and gas production did not reach optimal levels. Primary challenges encountered were the lack of financial subsidies for wide-spread adoption; the limited technical capacity of the community to conduct repairs and minimal gas production due to a build-up of ligneous materials within the gas chamber of the bio-digesters. Bio-digesters were found to provide significant benefits for households and further studies into maximising their effectiveness for rural South African households are recommended.
- Full Text:
- Date Issued: 2016
- Authors: Langley, Kyle Anthony
- Date: 2016
- Language: English
- Type: Thesis , Masters , MSc
- Identifier: vital:4789 , http://hdl.handle.net/10962/d1021268
- Description: Access to renewable energy supplies is a critical foundation for sustainable development and poverty alleviation. Anaerobic biogas-digesters also referred to as bio-digesters, have been identified as one of the leading technologies with regards to assisting in improving energy access for remote rural areas that still remain dependent upon biomass usage. This thesis assesses the potential feasibility of bio-digesters for rural households in South Africa by focusing on the experiences of a remote and rural community in Eastern Cape. A standardised survey was used to capture household details and energy use patterns of households with 180 interviews being conducted. Field observations were also conducted on the five bio-digesters installed in the community over a three month period. Despite the predominance of electrification in the community, households were heavily reliant upon biomass in the form of fuelwood and cattle dung to supplement their energy needs. Households supplemented their energy usage with alternative energy sources such as LPG gas and paraffin, especially during periods when electricity was unavailable or deemed too expensive. Initial knowledge of bio-digester technology in the community was non-existent, however with the installation of bio-digesters within the targeted villages, social learning was observed. Despite low temperatures bio-digesters continued to function throughout the study period, though malfunctions did occur and gas production did not reach optimal levels. Primary challenges encountered were the lack of financial subsidies for wide-spread adoption; the limited technical capacity of the community to conduct repairs and minimal gas production due to a build-up of ligneous materials within the gas chamber of the bio-digesters. Bio-digesters were found to provide significant benefits for households and further studies into maximising their effectiveness for rural South African households are recommended.
- Full Text:
- Date Issued: 2016
Professional behaviour among nursing students at a college in the Eastern Cape
- Authors: Magopeni, Sibongile Nomvuyo
- Date: 2016
- Subjects: Nursing students -- South Africa -- Eastern Cape Nursing -- Study and teaching -- South Africa -- Eastern Cape Nursing -- Psychological aspects
- Language: English
- Type: Thesis , Masters , MCur
- Identifier: http://hdl.handle.net/10353/2566 , vital:27896
- Description: The focus of the study was to explore and describe reasons for poor professional behaviour among nursing students at a public nursing college in the Eastern Cape. The objectives of the study were to explore and describe the reasons for poor professional behaviour among nursing students and to describe strategies to improve poor professional behaviour. The study has significance for the college management, staff, nursing students, registered nurses and everyone involved in professional development of nursing students. The population for this study consisted of third-year nursing students following the four-year comprehensive basic course for registration leading to the Diploma in Nursing (General, Community & Psychiatry) and Midwifery at a public nursing college. The research questions were: What do you understand by professional behaviour? What are the reasons for poor professional behaviour among nursing students? What could be done to improve professionalism among college nursing students? A qualitative, explorative, descriptive and contextual design was used as a framework for the study. Permission to conduct the study was obtained from the University of Fort Hare ethics committee and other relevant authorities as indicated in the study. Ethical principles were maintained and informed consent obtained. Data collection was done using focus groups and an audiotape with a purposefully sampling of 30 third-year nursing students at the public college of nursing. Data were analysed using Tesch’s method of analysis for qualitative research. Three major themes emerged: students’ understanding of professional behaviour, reasons for poor professional behaviour and methods to improve poor professional behaviour. It was concluded that poor professional behaviour has an effect on professionalism and it should be addressed and corrected for protecting the professional image. Recommendations: Policies regarding inappropriate professional behaviour at the college should be in place and easily accessible to every staff member and nursing student. Department of Health should conduct reflective courses and seminars on professionalism and these should begin at the same time as the academic programme.
- Full Text:
- Date Issued: 2016
- Authors: Magopeni, Sibongile Nomvuyo
- Date: 2016
- Subjects: Nursing students -- South Africa -- Eastern Cape Nursing -- Study and teaching -- South Africa -- Eastern Cape Nursing -- Psychological aspects
- Language: English
- Type: Thesis , Masters , MCur
- Identifier: http://hdl.handle.net/10353/2566 , vital:27896
- Description: The focus of the study was to explore and describe reasons for poor professional behaviour among nursing students at a public nursing college in the Eastern Cape. The objectives of the study were to explore and describe the reasons for poor professional behaviour among nursing students and to describe strategies to improve poor professional behaviour. The study has significance for the college management, staff, nursing students, registered nurses and everyone involved in professional development of nursing students. The population for this study consisted of third-year nursing students following the four-year comprehensive basic course for registration leading to the Diploma in Nursing (General, Community & Psychiatry) and Midwifery at a public nursing college. The research questions were: What do you understand by professional behaviour? What are the reasons for poor professional behaviour among nursing students? What could be done to improve professionalism among college nursing students? A qualitative, explorative, descriptive and contextual design was used as a framework for the study. Permission to conduct the study was obtained from the University of Fort Hare ethics committee and other relevant authorities as indicated in the study. Ethical principles were maintained and informed consent obtained. Data collection was done using focus groups and an audiotape with a purposefully sampling of 30 third-year nursing students at the public college of nursing. Data were analysed using Tesch’s method of analysis for qualitative research. Three major themes emerged: students’ understanding of professional behaviour, reasons for poor professional behaviour and methods to improve poor professional behaviour. It was concluded that poor professional behaviour has an effect on professionalism and it should be addressed and corrected for protecting the professional image. Recommendations: Policies regarding inappropriate professional behaviour at the college should be in place and easily accessible to every staff member and nursing student. Department of Health should conduct reflective courses and seminars on professionalism and these should begin at the same time as the academic programme.
- Full Text:
- Date Issued: 2016
The dynamics of police regulation of sexual abuse of children in South Africa: the case of Grahamstown, Eastern Cape
- Authors: Van Blerk, Natasha
- Date: 2016
- Language: English
- Type: Thesis , Masters , MSocSc
- Identifier: http://hdl.handle.net/10962/3828 , vital:20546
- Description: This thesis investigates the current legislation and police protocols set in South Africa, specifically regarding their adequacy in protecting the country’s children from sexual abuse. It focuses on relevant legislative provisions and protocols, on sexual abuse of children and on an empirical study conducted amongst a variety of officials who represent the South African legislation at different levels. Trends, developments and problems are analysed and brought forward to raise an awareness on the severity of the issue of child sexual abuse. In addition, this thesis explores how the diversity within the community of Grahamstown, South Africa, should be considered to a higher degree in the legislation. There is a clear indication of a prevalent patriarchal hierarchy within the community which, in reality, makes women and children more vulnerable to sexual abuse. The methods used in this thesis involves purposive sampling, which led to one on one interviews between the researcher and participant. Thisthesis concludes with confirmation of the hypothesis whereby the South African legislation is not adequately protecting the rights of children in regards to sexual abuse. However, to fully adapt the legislation and make it as versatile and as effective the State hopes it to be, it is necessary to understand the society’s perception on women and children and to rectify it. As difficult as this may sound, it all begins with a strong and influential government.
- Full Text:
- Date Issued: 2016
- Authors: Van Blerk, Natasha
- Date: 2016
- Language: English
- Type: Thesis , Masters , MSocSc
- Identifier: http://hdl.handle.net/10962/3828 , vital:20546
- Description: This thesis investigates the current legislation and police protocols set in South Africa, specifically regarding their adequacy in protecting the country’s children from sexual abuse. It focuses on relevant legislative provisions and protocols, on sexual abuse of children and on an empirical study conducted amongst a variety of officials who represent the South African legislation at different levels. Trends, developments and problems are analysed and brought forward to raise an awareness on the severity of the issue of child sexual abuse. In addition, this thesis explores how the diversity within the community of Grahamstown, South Africa, should be considered to a higher degree in the legislation. There is a clear indication of a prevalent patriarchal hierarchy within the community which, in reality, makes women and children more vulnerable to sexual abuse. The methods used in this thesis involves purposive sampling, which led to one on one interviews between the researcher and participant. Thisthesis concludes with confirmation of the hypothesis whereby the South African legislation is not adequately protecting the rights of children in regards to sexual abuse. However, to fully adapt the legislation and make it as versatile and as effective the State hopes it to be, it is necessary to understand the society’s perception on women and children and to rectify it. As difficult as this may sound, it all begins with a strong and influential government.
- Full Text:
- Date Issued: 2016
The phytogeography of Southern Mistbelt Forests of the Eastern Cape, South Africa
- Authors: Matiwane, Aviwe
- Date: 2016
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/3224 , vital:20393
- Description: In the Eastern Cape, a moisture gradient (from west to east) exists along the Escarpment where patches of Southern Mistbelt Forests (SMF) occur. There is a notable profusion of plants in these forests, but the factors that drive plant species composition and abundance in these patches is poorly understood and such knowledge is critical if we are to address or mitigate the problems imposed by global change. Many of our ideas on plant community assembly are based on the premise that species differ in their environmental requirements for successful regeneration, especially when young. The aims of this study were to document the floristic diversity of poorly known patches of Southern Mistbelt Forests in the Eastern Cape and identify the environmental factors that influence plant community composition in these forest patches. Twenty six forest patches across the Eastern Cape were sampled. In each forest 400m2 circular plots were constructed. The diameter at breast height and stem counts for the tree species was taken and the % cover of the herbaceous species was recorded. General collections were also made to supplement the plot data in order to obtain a comprehensive flora for each forest patch. All sampling was done during the summer season of 2013 and 2014. Using plot data, Hierarchal Cluster Analysis and Multidimensional Scaling Analysis were done to compare similarities between patches. Plots from the same forest patch clustered which indicated that the species composition in each forest patch was unique. However, this pattern went down when only tree species were considered. Plant diversity also varied between patches; with those located in the east being generally more diverse than those in the west are. Clustering patterns in fragmented communities and differences in species diversity indicate evidence of species “nestedness”. Analysis of nestedness indicated that these forest patches were significantly nested. To identify which environmental variables might be correlated with both species diversity and nestedness, twelve environmental variables was selected for analysis using Canonical Correspondence Analysis and Principal Component Analysis. Results show that Mean Annual Precipitation, Mean Annual Potential Evapotranspiration, and percentage of Organic Matter of the soil were most strongly correlated with the patterns of diversity observed in these forest patches. Regression analysis indicated that Mean Annual Precipitation accounted for most of the variation in species diversity, especially for the herbaceous species. The herbaceous species thus show a greater sensitivity to “climate filtering” as a consequence of rainfall gradients. With the implementation of suitable monitoring programs, changes in abundance or even local extinction of these species can act as an early warning indicator of the possible long-term effects of climate change on forest communities.
- Full Text:
- Date Issued: 2016
- Authors: Matiwane, Aviwe
- Date: 2016
- Language: English
- Type: text , Thesis , Masters , MSc
- Identifier: http://hdl.handle.net/10962/3224 , vital:20393
- Description: In the Eastern Cape, a moisture gradient (from west to east) exists along the Escarpment where patches of Southern Mistbelt Forests (SMF) occur. There is a notable profusion of plants in these forests, but the factors that drive plant species composition and abundance in these patches is poorly understood and such knowledge is critical if we are to address or mitigate the problems imposed by global change. Many of our ideas on plant community assembly are based on the premise that species differ in their environmental requirements for successful regeneration, especially when young. The aims of this study were to document the floristic diversity of poorly known patches of Southern Mistbelt Forests in the Eastern Cape and identify the environmental factors that influence plant community composition in these forest patches. Twenty six forest patches across the Eastern Cape were sampled. In each forest 400m2 circular plots were constructed. The diameter at breast height and stem counts for the tree species was taken and the % cover of the herbaceous species was recorded. General collections were also made to supplement the plot data in order to obtain a comprehensive flora for each forest patch. All sampling was done during the summer season of 2013 and 2014. Using plot data, Hierarchal Cluster Analysis and Multidimensional Scaling Analysis were done to compare similarities between patches. Plots from the same forest patch clustered which indicated that the species composition in each forest patch was unique. However, this pattern went down when only tree species were considered. Plant diversity also varied between patches; with those located in the east being generally more diverse than those in the west are. Clustering patterns in fragmented communities and differences in species diversity indicate evidence of species “nestedness”. Analysis of nestedness indicated that these forest patches were significantly nested. To identify which environmental variables might be correlated with both species diversity and nestedness, twelve environmental variables was selected for analysis using Canonical Correspondence Analysis and Principal Component Analysis. Results show that Mean Annual Precipitation, Mean Annual Potential Evapotranspiration, and percentage of Organic Matter of the soil were most strongly correlated with the patterns of diversity observed in these forest patches. Regression analysis indicated that Mean Annual Precipitation accounted for most of the variation in species diversity, especially for the herbaceous species. The herbaceous species thus show a greater sensitivity to “climate filtering” as a consequence of rainfall gradients. With the implementation of suitable monitoring programs, changes in abundance or even local extinction of these species can act as an early warning indicator of the possible long-term effects of climate change on forest communities.
- Full Text:
- Date Issued: 2016
The woman who accused Zwelinzima Vavi of rape :a media analysis of eight South African newspapers
- Authors: Timse, Tabelo Veronica
- Date: 2016
- Subjects: Rape -- South Africa -- Case studies Sexual abuse victims -- South Africa , Mass media criticism
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/45311 , vital:38569
- Description: The focal point of this study is to examine the print and online media representations of Jacqueline Phooko,a woman who accused former Cosatu General Secretary Zwelinzima Vavi of rape. Data for this study was obtained from eight South African newspapers and their websites. The study investigates whether the articles under review, including commentary and discussion online, focused on the incident itself or on the political landscape of South Africa. A content analysis was used to examine the data revelaling that Phooko was underrepresented and that most articles focused on Vavi’s political career. The research will use a feminist perspective to show that Phooko was under-represented in the media, in comparison to Vavi and his supporters who gained greater coverage, specifically in a political context. The significance of the findings is that although there are some strides achieved to have more women voices in the media however women are still under-represented.
- Full Text:
- Date Issued: 2016
- Authors: Timse, Tabelo Veronica
- Date: 2016
- Subjects: Rape -- South Africa -- Case studies Sexual abuse victims -- South Africa , Mass media criticism
- Language: English
- Type: Thesis , Masters , MA
- Identifier: http://hdl.handle.net/10948/45311 , vital:38569
- Description: The focal point of this study is to examine the print and online media representations of Jacqueline Phooko,a woman who accused former Cosatu General Secretary Zwelinzima Vavi of rape. Data for this study was obtained from eight South African newspapers and their websites. The study investigates whether the articles under review, including commentary and discussion online, focused on the incident itself or on the political landscape of South Africa. A content analysis was used to examine the data revelaling that Phooko was underrepresented and that most articles focused on Vavi’s political career. The research will use a feminist perspective to show that Phooko was under-represented in the media, in comparison to Vavi and his supporters who gained greater coverage, specifically in a political context. The significance of the findings is that although there are some strides achieved to have more women voices in the media however women are still under-represented.
- Full Text:
- Date Issued: 2016
An exploration of business level strategy at the bottom of the pyramid: a case study of Twizza, Eastern Cape
- Authors: Sityoshwana, Ludwe Lusu
- Date: 2015
- Language: English
- Type: text , Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10962/54486 , vital:26569
- Description: This qualitative study focuses on business level strategy adopted by Twizza to compete in the bottom of the pyramid market in the Eastern Cape, South Africa. Twizza enjoyed huge success between the years 2010 - 2014 as a medium to large sized manufacturer of carbonated soft drinks in the Eastern Cape. In light of this, the current study seeks to answer the following: What business level strategy did top management at Twizza adopt to compete and grow in the BoP market in the Eastern Cape, South Africa? The study takes the form of a case study to explore and understand the patterns of decisions adopted by Twizza’s top management in competing at the bottom of the pyramid. As such, the main objective of the study was to identify the business level strategy adopted by Twizza which enabled their superior performance within the BoP market. The study adopts Porter`s typology to explore business level strategy. Stratified, purposive sampling was used to identify 4 top managers as participants in this study. A total of 7, semi-structured, interviews were used to collect critical incidents from top management of Twizza. This was the primary data used in this study. This type of data was combined with relevant information which was gathered via published press articles and on-line commentary. The study found that central to Twizza’s business strategy were four pillars, namely, strict control and management of manufacturing costs, product quality equal to that of market leaders, the ability of the organisation to manufacture its own raw materials and ability to ensure product availability to the market to the market. These findings reveal that Twizza employed a hybrid strategy, anchored by cost leadership. Thus, Twizza incorporated elements of differentiation and best value strategies to offer its customers affordable quality.
- Full Text:
- Date Issued: 2015
- Authors: Sityoshwana, Ludwe Lusu
- Date: 2015
- Language: English
- Type: text , Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10962/54486 , vital:26569
- Description: This qualitative study focuses on business level strategy adopted by Twizza to compete in the bottom of the pyramid market in the Eastern Cape, South Africa. Twizza enjoyed huge success between the years 2010 - 2014 as a medium to large sized manufacturer of carbonated soft drinks in the Eastern Cape. In light of this, the current study seeks to answer the following: What business level strategy did top management at Twizza adopt to compete and grow in the BoP market in the Eastern Cape, South Africa? The study takes the form of a case study to explore and understand the patterns of decisions adopted by Twizza’s top management in competing at the bottom of the pyramid. As such, the main objective of the study was to identify the business level strategy adopted by Twizza which enabled their superior performance within the BoP market. The study adopts Porter`s typology to explore business level strategy. Stratified, purposive sampling was used to identify 4 top managers as participants in this study. A total of 7, semi-structured, interviews were used to collect critical incidents from top management of Twizza. This was the primary data used in this study. This type of data was combined with relevant information which was gathered via published press articles and on-line commentary. The study found that central to Twizza’s business strategy were four pillars, namely, strict control and management of manufacturing costs, product quality equal to that of market leaders, the ability of the organisation to manufacture its own raw materials and ability to ensure product availability to the market to the market. These findings reveal that Twizza employed a hybrid strategy, anchored by cost leadership. Thus, Twizza incorporated elements of differentiation and best value strategies to offer its customers affordable quality.
- Full Text:
- Date Issued: 2015
Teacher leadership practice : a case study of a public primary school in a semi-urban area of the Otjozondjupa Region, central Namibia
- Authors: Hanghuwo, Maria Nahambo
- Date: 2015
- Subjects: Democracy and education -- Study and teaching (Elementary) -- Namibia , Educational leadership , Teacher participation in administration
- Language: English
- Type: Thesis , Masters , MEd
- Identifier: vital:2030 , http://hdl.handle.net/10962/d1017341
- Description: The education system in Namibia was shaped by the policies located within the framework of the apartheid ideology. Since it gained its independence in 1990, the government positioned education at the top of the national priorities. Thus, there has been a growing realisation of the importance of more democratic forms of leadership in the education system for the country to be able to cater for a democratic society. Amongst others, teachers became active creators and managers of the learning outcomes. In addition, teachers are regarded as agents of change and the driving force for productive teaching and learning. Literature describes how the management in schools has been redistributing authority and power so that a culture of teacher leadership in school communities can grow. More importantly, school improvement depends more on the active involvement of teacher leaders as it is realised that people in formal positions cannot do everything. In this line this study investigated the understanding of teachers and members of management of teacher leadership practice and it further identified the structural and cultural factors which enabled and inhibited this practice in a primary school. This study is a case study of a Primary school in a semi-urban area of Otjozondjupa Region, a central part of Namibia. This study was conducted in the interpretive paradigm and it is a qualitative case in nature, employing semi-structured interviews, observation and document analysis. Triangulation over the data revealed that respondents have an understanding of the concept and that all teachers are involved in leadership roles at school which are more strongly found in the classroom and through involvement with other teachers. Teacher leadership roles at the case study school also occur within the whole school with some limitations and also extend beyond the school. Grant’s (2008) model of teacher leadership was used to analyse the data. The study suggested some hindrances and supporting factors of teacher leadership. The findings suggested that teacher leadership is understood at the case study school and that they experienced factors that enabled and hindered this practice at different stages. Enabling factors included the school structure, further studies and workshops attended, while teacher leadership is impeded by teachers’ unwillingness to collaborate with others and the platoon system. The study recommends future large scale studies, including at secondary schools, so that a broader sense of teacher leadership may emerge.
- Full Text:
- Date Issued: 2015
- Authors: Hanghuwo, Maria Nahambo
- Date: 2015
- Subjects: Democracy and education -- Study and teaching (Elementary) -- Namibia , Educational leadership , Teacher participation in administration
- Language: English
- Type: Thesis , Masters , MEd
- Identifier: vital:2030 , http://hdl.handle.net/10962/d1017341
- Description: The education system in Namibia was shaped by the policies located within the framework of the apartheid ideology. Since it gained its independence in 1990, the government positioned education at the top of the national priorities. Thus, there has been a growing realisation of the importance of more democratic forms of leadership in the education system for the country to be able to cater for a democratic society. Amongst others, teachers became active creators and managers of the learning outcomes. In addition, teachers are regarded as agents of change and the driving force for productive teaching and learning. Literature describes how the management in schools has been redistributing authority and power so that a culture of teacher leadership in school communities can grow. More importantly, school improvement depends more on the active involvement of teacher leaders as it is realised that people in formal positions cannot do everything. In this line this study investigated the understanding of teachers and members of management of teacher leadership practice and it further identified the structural and cultural factors which enabled and inhibited this practice in a primary school. This study is a case study of a Primary school in a semi-urban area of Otjozondjupa Region, a central part of Namibia. This study was conducted in the interpretive paradigm and it is a qualitative case in nature, employing semi-structured interviews, observation and document analysis. Triangulation over the data revealed that respondents have an understanding of the concept and that all teachers are involved in leadership roles at school which are more strongly found in the classroom and through involvement with other teachers. Teacher leadership roles at the case study school also occur within the whole school with some limitations and also extend beyond the school. Grant’s (2008) model of teacher leadership was used to analyse the data. The study suggested some hindrances and supporting factors of teacher leadership. The findings suggested that teacher leadership is understood at the case study school and that they experienced factors that enabled and hindered this practice at different stages. Enabling factors included the school structure, further studies and workshops attended, while teacher leadership is impeded by teachers’ unwillingness to collaborate with others and the platoon system. The study recommends future large scale studies, including at secondary schools, so that a broader sense of teacher leadership may emerge.
- Full Text:
- Date Issued: 2015
Assessment of the status of lean implementation at selected South African Revenue Service branch offices
- Authors: Samela, Thandile
- Date: 2011
- Subjects: Lean manufacturing -- Evaluation , Production management
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/8702 , vital:26422
- Description: Governments around the world want to deliver better education, better health care, better pensions and better transportation services. They know that impatient electorates want to see change, and fast. But, the funds required to meet such expectations are enormous, particularly in the many developed economies where populations are aging and the public sector's productivity has not kept pace with that of the private sector. The need to get value for money from governments at all levels is therefore under the spotlight as never before. However, cost-cutting programmes that seek savings of 1 to 3% per year will not be sufficient and, in some cases, may even weaken the quality of service (Bhatia & Drew, 2006). One of the key innovative means to improve productivity, and do more with less, is through the implementation of lean initiatives. The purpose of this study is to conduct an 'Assessment of the status of lean implementation at selected SARS (South African Revenue Service) branch offices'. Literature review was conducted to investigate the origins of lean and how the service industry tapped from this philosophy, which was initially developed for the manufacturing sector. The lean philosophy has now been widely adopted in various service industries, from government agencies such as the South African Revenue Service to financial institutions such as ABSA bank, including the healthcare industry. The findings of the research indicated that even though the organisation has made a strategic decision to implement lean, this has not been entirely successful as there is a lack of understanding of lean among managers and team leaders. There are some pockets of excellence though. The researcher recommends that a comprehensive road map be developed to guide the organisation into a sustainable lean implementation.
- Full Text:
- Date Issued: 2011
- Authors: Samela, Thandile
- Date: 2011
- Subjects: Lean manufacturing -- Evaluation , Production management
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: http://hdl.handle.net/10948/8702 , vital:26422
- Description: Governments around the world want to deliver better education, better health care, better pensions and better transportation services. They know that impatient electorates want to see change, and fast. But, the funds required to meet such expectations are enormous, particularly in the many developed economies where populations are aging and the public sector's productivity has not kept pace with that of the private sector. The need to get value for money from governments at all levels is therefore under the spotlight as never before. However, cost-cutting programmes that seek savings of 1 to 3% per year will not be sufficient and, in some cases, may even weaken the quality of service (Bhatia & Drew, 2006). One of the key innovative means to improve productivity, and do more with less, is through the implementation of lean initiatives. The purpose of this study is to conduct an 'Assessment of the status of lean implementation at selected SARS (South African Revenue Service) branch offices'. Literature review was conducted to investigate the origins of lean and how the service industry tapped from this philosophy, which was initially developed for the manufacturing sector. The lean philosophy has now been widely adopted in various service industries, from government agencies such as the South African Revenue Service to financial institutions such as ABSA bank, including the healthcare industry. The findings of the research indicated that even though the organisation has made a strategic decision to implement lean, this has not been entirely successful as there is a lack of understanding of lean among managers and team leaders. There are some pockets of excellence though. The researcher recommends that a comprehensive road map be developed to guide the organisation into a sustainable lean implementation.
- Full Text:
- Date Issued: 2011
The identification and evaluation of key sustainable development indicators and the development of a conceptual decision-making model for capital investment within Gold Fields Limited (GFL)
- Authors: Jacobs, Phillip A H
- Date: 2010
- Subjects: Industrial management -- Environmental aspects -- South Africa -- Case studies Social responsibility of business -- South Africa -- Case studies Environmental protection -- South Africa -- Case studies Sustainable development -- South Africa -- Case studies Business ethics -- South Africa -- Case studies Industries -- Social aspects -- South Africa -- Case studies Industries -- Moral and ethical aspects -- South Africa -- Case studies Gold Fields Ltd -- Case studies
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:820 , http://hdl.handle.net/10962/d1008304
- Description: The current trends in sustainable development (SO) were examined in this study, which brought about the realisation that SO has become a business imperative. Mining, which is a highly impacting industry, is faced with the dilemma of implementing the principles of SO despite the realisation that its activities are severely limited by· the finite nature of the resource it is capitalising on. This reality, however, does not detract from the non-negotiable requirement for the industry to meet the increasing pressures to act responsibly towards the environment and the community in which it operates. Gold Fields has stepped up to the plate and has already taken several steps to achieve this end. These include the adoption of SO in its Vision, Values and strategies and the development and implementation of a SO framework to ensure the integration of the principles of SO into the business. Furthermore, Gold Fields has also entered into voluntary activities that further cement the commitment the company has towards so. These other initiatives include, inter alia, its International Council on Mining and Metals membership, UN Global Compact participation, becoming a signatory to the cyanide code, IS014001, and so on. This study focussed on several indicator categories and the identification of a set of supporting sustainable development indicators (SOls) for each, which included environmental, social, economic, technological, and ethics, legal and corporate governance (not in order of priority). These indicators were assessed by a carefully selected group of respondents whose collective wisdom and expertise were used to identify and weight supporting SOls for each of the indicator categories. These supporting SOls were in turn used to develop a model that is able to assist in the business's decision making processes when capital investment is being considered . A water treatment project that is currently being considered by Gold Fields was utilised to demonstrate how the decision making model can be applied to two different scenarios. The result clearly and successfully demonstrated that by proactively taking environmental, economic, social, technological, and ethics, legal and corporate governance considerations into account, a gold mining company is able to increase the level of SO of a capital investment project.
- Full Text:
- Date Issued: 2010
- Authors: Jacobs, Phillip A H
- Date: 2010
- Subjects: Industrial management -- Environmental aspects -- South Africa -- Case studies Social responsibility of business -- South Africa -- Case studies Environmental protection -- South Africa -- Case studies Sustainable development -- South Africa -- Case studies Business ethics -- South Africa -- Case studies Industries -- Social aspects -- South Africa -- Case studies Industries -- Moral and ethical aspects -- South Africa -- Case studies Gold Fields Ltd -- Case studies
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:820 , http://hdl.handle.net/10962/d1008304
- Description: The current trends in sustainable development (SO) were examined in this study, which brought about the realisation that SO has become a business imperative. Mining, which is a highly impacting industry, is faced with the dilemma of implementing the principles of SO despite the realisation that its activities are severely limited by· the finite nature of the resource it is capitalising on. This reality, however, does not detract from the non-negotiable requirement for the industry to meet the increasing pressures to act responsibly towards the environment and the community in which it operates. Gold Fields has stepped up to the plate and has already taken several steps to achieve this end. These include the adoption of SO in its Vision, Values and strategies and the development and implementation of a SO framework to ensure the integration of the principles of SO into the business. Furthermore, Gold Fields has also entered into voluntary activities that further cement the commitment the company has towards so. These other initiatives include, inter alia, its International Council on Mining and Metals membership, UN Global Compact participation, becoming a signatory to the cyanide code, IS014001, and so on. This study focussed on several indicator categories and the identification of a set of supporting sustainable development indicators (SOls) for each, which included environmental, social, economic, technological, and ethics, legal and corporate governance (not in order of priority). These indicators were assessed by a carefully selected group of respondents whose collective wisdom and expertise were used to identify and weight supporting SOls for each of the indicator categories. These supporting SOls were in turn used to develop a model that is able to assist in the business's decision making processes when capital investment is being considered . A water treatment project that is currently being considered by Gold Fields was utilised to demonstrate how the decision making model can be applied to two different scenarios. The result clearly and successfully demonstrated that by proactively taking environmental, economic, social, technological, and ethics, legal and corporate governance considerations into account, a gold mining company is able to increase the level of SO of a capital investment project.
- Full Text:
- Date Issued: 2010
The political economy of development aid: an investigation of three donor-funded HIV/AIDS programmes broadcast by Malawi television from 2004 to 2007
- Authors: Mulonya, Rodrick K A R
- Date: 2010
- Subjects: Economic assistance -- Malawi -- Management , Public service television programs -- Malawi , AIDS (Disease) and mass media -- Malawi , HIV infections -- Information services -- Malawi , Communication in public health -- Malawi , Economic assistance -- Social aspects -- Malawi , Malawi -- Social conditions , Mass media -- Social aspects -- Malawi , Mass media criticism -- Malawi
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3471 , http://hdl.handle.net/10962/d1002926
- Description: Development aid in most of the developing countries can sometimes compromise the principles of public service broadcasting (PSB). This may be true when reflected against the tension between donor financed programmes in Malawi and the mandate of Television Malawi (TVM). Although the donor intentions are noble, the strings attached to the funding are sometimes retrogressive to the role of PSBs. A case in point is how donors dictate terms on the HIV/Aids communication strategies at TVM. Producers receive money from donors with strings attached on how the money should be used and accounted for. If producers deviate they are sanctioned through withholding funding, shifting schedules and reducing the funding frequency. The donors also dictate who to interview on what subject, how to conduct capacity building. Some scholars have researched much on the impact of commercialisation of the media. This study is a departure from these traditional interferences; it interrogates the interest of philanthropy tendencies by international donors in the three chosen HIV/Aids programmes broadcast by TVM. The study investigates the extent of pressure exerted by donors on the producers of HIV/Aids programmes in Malawi. Thus, the study seeks to illicit specifics in the power relationship between the donor and the producer hence the study employs the political economy of development aid as applied to the public service broadcasting and communication for development. The study employed qualitative research methods and techniques (in-depth interviews, case study and document analysis). The study reveals how donor ideologies dominate the Aids messages-content output of the texts constructed. The study argues that cultural alienation of the Malawian audiences retards efforts of donors in combating HIV infection rate.
- Full Text:
- Date Issued: 2010
- Authors: Mulonya, Rodrick K A R
- Date: 2010
- Subjects: Economic assistance -- Malawi -- Management , Public service television programs -- Malawi , AIDS (Disease) and mass media -- Malawi , HIV infections -- Information services -- Malawi , Communication in public health -- Malawi , Economic assistance -- Social aspects -- Malawi , Malawi -- Social conditions , Mass media -- Social aspects -- Malawi , Mass media criticism -- Malawi
- Language: English
- Type: Thesis , Masters , MA
- Identifier: vital:3471 , http://hdl.handle.net/10962/d1002926
- Description: Development aid in most of the developing countries can sometimes compromise the principles of public service broadcasting (PSB). This may be true when reflected against the tension between donor financed programmes in Malawi and the mandate of Television Malawi (TVM). Although the donor intentions are noble, the strings attached to the funding are sometimes retrogressive to the role of PSBs. A case in point is how donors dictate terms on the HIV/Aids communication strategies at TVM. Producers receive money from donors with strings attached on how the money should be used and accounted for. If producers deviate they are sanctioned through withholding funding, shifting schedules and reducing the funding frequency. The donors also dictate who to interview on what subject, how to conduct capacity building. Some scholars have researched much on the impact of commercialisation of the media. This study is a departure from these traditional interferences; it interrogates the interest of philanthropy tendencies by international donors in the three chosen HIV/Aids programmes broadcast by TVM. The study investigates the extent of pressure exerted by donors on the producers of HIV/Aids programmes in Malawi. Thus, the study seeks to illicit specifics in the power relationship between the donor and the producer hence the study employs the political economy of development aid as applied to the public service broadcasting and communication for development. The study employed qualitative research methods and techniques (in-depth interviews, case study and document analysis). The study reveals how donor ideologies dominate the Aids messages-content output of the texts constructed. The study argues that cultural alienation of the Malawian audiences retards efforts of donors in combating HIV infection rate.
- Full Text:
- Date Issued: 2010
Overcoming supply line barriers to the implementation of lean manufacturing in the Transwerk Uitenhage Plant
- Authors: Madwara, Nomonde Juliet
- Date: 2006
- Subjects: Production management -- South Africa -- Uitenhage
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:8621 , http://hdl.handle.net/10948/552 , Production management -- South Africa -- Uitenhage
- Description: The objective of this study is to assess the Lean Manufacturing practices by Transwerk Uitenhage and to reveal the barriers to implementation of lean manufacturing strategies experienced by their supply line. This will be compared to what the literature says and suggestions to overcome these barriers will be developed.
- Full Text:
- Date Issued: 2006
- Authors: Madwara, Nomonde Juliet
- Date: 2006
- Subjects: Production management -- South Africa -- Uitenhage
- Language: English
- Type: Thesis , Masters , MBA
- Identifier: vital:8621 , http://hdl.handle.net/10948/552 , Production management -- South Africa -- Uitenhage
- Description: The objective of this study is to assess the Lean Manufacturing practices by Transwerk Uitenhage and to reveal the barriers to implementation of lean manufacturing strategies experienced by their supply line. This will be compared to what the literature says and suggestions to overcome these barriers will be developed.
- Full Text:
- Date Issued: 2006
Reactions in the solid state
- Authors: Brown, Michael Ewart
- Date: 2006
- Subjects: Solid state chemistry , Thermal analysis , Chemistry, Analytic
- Language: English
- Type: Thesis , Doctoral , DSc
- Identifier: vital:4529 , http://hdl.handle.net/10962/d1015762
- Description: I have chosen the title for this thesis, "Reactions in the Solid State", for two reasons: Firstly, it is broad enough to cover all of my areas of research, which have been: • Effects of irradiation on solids (PhD topic) • Silver refining (while at the Chamber of Mines) • Kinetics of decomposition of solids (with Dr A.K. Galwey and various others) • Techniques of thermal analysis • Pyrotechnic delay systems (with support from AECI Explosives) • Thermal and photostability of drugs (with Prof B.D. Glass) and, secondly, it was the title of the very successful book co-authored by Drs Andrew Galwey, David Dollimore and me. A large part of my research has been involved in the writing and editing of books, so these are covered in a separate commentary, while commentary on the more than 100 papers to which I have contributed forms the main part of this compilation. It is hoped that the electronic format will enable ready access of to all aspects of my research, including electronic versions of the original papers. The reader will need a copy of Adobe Acrobat Reader to access these.
- Full Text:
- Date Issued: 2006
- Authors: Brown, Michael Ewart
- Date: 2006
- Subjects: Solid state chemistry , Thermal analysis , Chemistry, Analytic
- Language: English
- Type: Thesis , Doctoral , DSc
- Identifier: vital:4529 , http://hdl.handle.net/10962/d1015762
- Description: I have chosen the title for this thesis, "Reactions in the Solid State", for two reasons: Firstly, it is broad enough to cover all of my areas of research, which have been: • Effects of irradiation on solids (PhD topic) • Silver refining (while at the Chamber of Mines) • Kinetics of decomposition of solids (with Dr A.K. Galwey and various others) • Techniques of thermal analysis • Pyrotechnic delay systems (with support from AECI Explosives) • Thermal and photostability of drugs (with Prof B.D. Glass) and, secondly, it was the title of the very successful book co-authored by Drs Andrew Galwey, David Dollimore and me. A large part of my research has been involved in the writing and editing of books, so these are covered in a separate commentary, while commentary on the more than 100 papers to which I have contributed forms the main part of this compilation. It is hoped that the electronic format will enable ready access of to all aspects of my research, including electronic versions of the original papers. The reader will need a copy of Adobe Acrobat Reader to access these.
- Full Text:
- Date Issued: 2006