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The existing body of literature on e-procurement adoption has not adequately predicted the direct and indirect impact of performance expectancy and effort expectancy on the usage behavior of e-procurement system through the attitude of users. This paper focuses on analyzing the direct and indirect effects of various factors that influence the usage behavior of e-procurement systems in Tanzania. The paper was guided by the Social Information Processing (SIP) theory, the Affect Infusion Model (AIM), and the modified Unified Theory of Acceptance and Use of Technology (UTAUT). The paper also used a deductive perspective and an explanatory cross-sectional survey research approach. A stratified sampling technique was used to identify 383 respondents (buyers and suppliers) that use the e-procurement system. Data gathering was conducted via the use of a documentary review and questionnaire. Inferential statistical analysis was conducted using the Partial Least Squares Structural Equation Modeling, with the assistance of SmartPLS 4 software. The results indicate that performance expectancy, effort expectancy, and attitude significantly influence positively the usage behavior of the e-procurement system (p value<0.05). The paper finds that the behavior of buyers and suppliers, after the adoption of an e-procurement system, is indirectly impacted by the system's performance expectancy and effort expectancy, via their positive attitudes. The results of this study confirm the usefulness of the proposed research model in directing management decision-making, particularly in determining the importance of investment considerations when implementing or improving an e-procurement system.

The purpose of the study was to assess the influence of marketing innovation on the performance of coffee cooperatives in Kenya. A descriptive research design was applied. The target population of this study was 525 coffee cooperative societies in Kenya registered with the Commissioner for Cooperatives and licensed by AFFA (Coffee Directorate) as of 30th of October 2016. The sample size was 227 respondents. Structured questionnaires were used to collect primary data from the selected respondents. The results revealed that marketing innovation and performance are positive and significantly related (?=0.674, p=0.001). This implied that significant changes in product design and packaging led to a positive change in the performance of coffee cooperatives. The study affirms that to improve performance by targeting the customers, constant improvements in how the company promotes its new products to capture the attention of new customers is a key aspect to be considered. The study recommends the management employ skills in developing clear operating procedures to run the business successfully, coordinate different areas of the business to achieve results and the ability and design jobs to suit staff capabilities and interests.