Doctoral Theses

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Browsing Doctoral Theses by Author "Changalima, Ismail Abdi"

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    Supplier management practices and public procurement performance in Tanzania: the moderating effect of contract management difficulty
    (The University of Dodoma, 2023) Changalima, Ismail Abdi
    This study aimed at investigating the influence of supplier management practices on public procurement performance in Tanzania and establishing the moderating effect of contract management difficulty. Specifically, the study determined the influence of supplier selection and evaluation, supplier monitoring, and supplier development on public procurement performance, as well as how contract management difficulty moderated the influence of these practices on public procurement performance dimensions (cost reduction, lead time, and buyer satisfaction). The theoretical framework guiding the study included the resource-based view, agency theory, and transaction cost theory. The study utilised a quantitative approach, gathering cross-sectional data via structured questionnaires from randomly selected procuring entities in Arusha, Dar es Salaam, Dodoma, Mbeya, and Tanga. The analysis involved covariance-based structural equation modelling and moderation regressions using Hayes‟ PROCESS macro. The findings demonstrated that all supplier management practices positively and significantly influenced public procurement performance dimensions (p < 0.05). Contract management difficulty exhibited a negative moderating effect on the influence of supplier monitoring and supplier development across all public procurement performance dimensions (p < 0.05), as indicated by non-zero values within confidence intervals. Notably, contract management difficulty did not significantly moderate the influence of supplier selection and evaluation on public procurement performance. The study concluded that supplier management practices are crucial determinants of public procurement performance, and contract management difficulty negatively affects the influence of supplier monitoring and supplier development, but not supplier selection and evaluation. The study urges procuring entities to embrace supplier management practices in terms of supplier selection and evaluation, supplier monitoring, and supplier development so as to improve public procurement performance. Also, the Public Procurement Regulatory Authority should prioritise efforts for procuring entities to effectively controlling contract management difficulties especially in supplier monitoring and development practices. To expand on the current study, additional research was directed toward other supplier management practices and other moderating variables such as behavioural uncertainty, supplier perceived value, and procurement skills.