Purpose: The purpose of this study was to establish the effect of procurement contract management on sustainable performance of state corporations in Kenya. Methodology: The research design used in this research was mixed-methods research design. The study focused on 187 state corporation as the target population. Census was applied where all state corporations were surveyed and purposive sampling was used to pick the finance manager and the procurement manager which resulted to 374 respondents. The study main source of data was primary data which was gathered using research questionnaires. The gathered data was assessed with the help of Statistical Package for Social Sciences (SPSS) Version 28. The study carried out both descriptive and inferential analysis to draw conclusions. Results: The inferential analysis results revealed that procurement contract management had a significant and positive influence on the sustainable performance of state corporations in Kenya at p<0.05. This indicates that contract preparation, contract administration, contract control and monitoring and contract conflicts resolution mechanisms are crucial drivers of sustainable performance of an organization. The model summary found that a unit change in procurement contract management may account for a variability of 45.1% in a firm's sustainable performance. The R value for the model was 0.670 and the R2 was 0.451. This was a sign that the model was appropriate for establishing the link between procurement contract management and sustainable performance and, as a result, for drawing the conclusions and suggestions from the study. Unique Contribution to Theory, Practice and Policy: While the existing theory of public contracts used in this study was validated, the study recommends that the government through the appropriate regulatory agencies and the management of public procuring entities have the mandate to make sure that appropriate oversight of the management of contracts in state corporations is carried out as a means of ensuring accountability and justice throughout the entire process. According to the study, policymakers and state regulatory organizations should take the lead in making sure that contracts are properly documented and that they are diligently and effectively managed to ensure full adherence to the rules and regulations.

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Purpose: The purpose of this study was to examine the effect of inventory management on sustainable performance of state corporations in Kenya. Methodology: The descriptive research design was applied in carrying out the study. The respondents of the study included the heads of finance and procurement department in all 187 state corporations in Kenya. Census was used in this study where the head of procurement department and the head of finance in each state corporation that resulted to 374 study respondents. This study used a questionnaire as the main research tool to collect primary data. Descriptive analysis and inferential analysis was carried out which was made possible through the use of Statistical Package for Social Sciences (SPSS) version 26.   Findings: Inventory management significantly affected the sustainability of state corporations in Kenya at p<0.05. This shows that upholding inventory management would be essential in steering the sustainable performance of the state corporations. The regression model established that the R value was 0.633 while the R2 was 0.401 which indicated that the variability of the inventory management on the sustainable performance of the state corporations in Kenya could be explained by up to 40.1% of the model and the P-value was 0.000<0.05. This implies that the model was fit to determine the relationship between the inventory management and sustainable performance and therein make conclusions and recommendations. Unique contribution to theory, practice and policy: While the existing inventory management theory used in this study was validated, the study recommends that the accounting as well as procurement officer in each state procuring entity need to ensure that all proper stock levels are kept as per the regulation through proper verification and processing of all requirements, adhering to prescribed stock policies in the Regulation and ensuring that they duly consider safety stock and lead time when replenishing to ensure appropriate stock levels are kept at all time.  The study recommended that public procuring entities policy makers need to establish a policy framework to expedite effective adoption of best inventory management systems to facilitate sustainable performance.

The purpose of the study was to assess the influence of inventory returns management on performance of food and beverage manufacturing firms in Kenya. Descriptive research design was adopted because it allowed an in-depth study of the subject. The target population was heads of procurement in the food and beverage manufacturing firms in Kenya. A sample of 132 food and beverage manufacturing firms was arrived at out of a total of 197 food and beverage manufacturing firms. R square value of 0.6 means that 60% of the corresponding variation in food and beverage manufacturing firms in Kenya can be explained or predicted by (refurbishment management, materials re-use management, waste management and re-manufacturing management) which indicated that the model fitted the study data. The results of regression analysis revealed that there was a significant positive relationship between dependent variable and independent variable at (β = 0.6), p=0.000 <0.05). The findings of the study concluded that refurbishment management, materials re-use management, waste management and re-manufacturing management have a positive relationship with performance of food and beverage manufacturing firms in Kenya. The study recommended that food and beverage manufacturing firms should embrace inventory returns management aspects so as to improve performance and further researches should to be carried out in other firms to find out if the same results can be obtained.

Purpose: This study sought to establish the effect of strategic outsourcing approaches on the performance of manufacturing.Methodology: A descriptive survey design was adopted, informed by the relatively small population of the listed manufacturing and allied companies, which doubled as the target population of the study. A structured and closed- ended questionnaire was used to collect primary data, administered by drop and pick a method. Total of (72) strategic managers drawn from the nine manufacturing firms were involved in the study. Data collected was quantitatively scrutinized based on research objectives and presented in form of tables and charts for interpretation. The data was then be analyzed through descriptive and inferential statistics supported by the statistical package for social sciences (SPSS), version 22. Regression analysis was done to ascertain the effect of strategic outsourcing approaches on performance. The response rate of the study was 92%.Results and conclusion: The findings of the study showed that strategic professional outsourcing, strategic manufacturing outsourcing, strategic business process outsourcing and strategic project outsourcing have a positive relationship with performance of performance of the manufacturing companies listed at the Nairobi Security Exchange. The results of the regression analysis revealed there is a significant positive relationship between the dependent variable and the independent variable. The independent variables reported R-value of .805 indicating that there is a perfect relationship between a dependent variable and independent variables. R square value of 0.647 means that 64.7% of the corresponding variation in performance of manufacturing companies listed at the Nairobi Security Exchange can be explained or predicted by (strategic professional outsourcing, strategic manufacturing outsourcing, strategic business process outsourcing and strategic project outsourcing) which indicated that the model fitted the study data. The results of the regression analysis revealed that there was a significant positive relationship between the dependent variable and independent variable at (β = 0.647), p=0.000 <0.05).Unique contribution to theory, practice and policy: Finally, the study commends that manufacturing companies listed at the Nairobi Security Exchange embrace the various strategic outsourcing approaches as a way to improve their performance. Equally, the study recommends similar studies be carried out in other industries across the country and in abroad to ascertain if the same results can be obtained and generalized.