Özet:

By implementing an ERP system in a company, one of the most anticipated objectives is certainly improved user performance. Previous research has shown that adjusting business processes with those of an ERP system is a crucial step. It both contributes to improving individual performance and depends, theoretically, on the quality of transfer and knowledge of three types of actors: consultants, ERP Vendors and internal experts. Users’ absorptive capacity influences the relationship between organizational fit and user’s performance on the one hand and the relationship between these different actors involved in the implementation process (internal experts, external experts and ERP vendors) and organizational fit the other hand. On a sample of 94 ERP system users we tested these relationships using the PLS method. The results indicate that, in the Tunisian context, performance of individual ERP system users is largely influenced by the success of organizational fit, which in turn depends on the support of the ERP vendor and the contribution of external consultants. The relationship between internal experts and ERP system’s organizational fit was not statistically significant. Furthermore, absorptive capacity moderates the relationship between organizational fit and user’s performance. However, no moderating effect has been registered for the relationship between the different actors and Organizational fit. Key Words: Enterprise resource planning (ERP), internal expert, external expert, ERP vendor, Organizational fit of ERP process, absorptive capacity, user performance, Tunisian companies.

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