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The purpose of this paper is to investigate the effects of knowledge management (KM) on product and process innovations, as well as on operational performance (OP). In addition, the effects of product and process innovations on OP, as well as their mediating effects on the relationship between KM and OP, are also investigated.

A questionnaire-based survey was designed and used to collect data from 207 manufacturing companies operating in the Jordanian capital Amman. To assess construct validity, exploratory and confirmatory factor analyses were conducted. To test research hypotheses, the bootstrap re-sampling method was applied using Hayes’s SPSS multiple-mediator PROCESS macro.

The results indicate that KM has significant positive effects on product and process innovations, and OP. Process innovation was found to have a significant positive effect on OP, while product innovation was not. Furthermore, only process innovation was found to significantly mediate the KM-OP relationship.

The findings of this study provide useful insights about the role of KM in facilitating and enhancing product and process innovations, as well as OP in the surveyed manufacturing companies. An important implication concerns the roles of product and process innovations. Manufacturing companies seeking improvements in their OP are recommended to focus on process innovation rather than product innovation. While product innovation may affect other aspects of performance, such as market and financial ones, it was not found to significantly affect OP. Process innovation can also leverage KM’s contribution to manufacturing companies’ OP.

This is a pioneering study in that it developed an integrated model that depicts the interrelationships among KM, product innovation and process innovation and OP, in a developing country context.