The purpose of this study includes: the relationships between corporate entrepreneurship(innovation, proactiveness, risk-taking) and firm performance(non-financial performance, financial performance) and the mediating effect of the self-efficacy on the relationship between corporate entrepreneurship and firm performance. In order to verify the relationships and mediating effect, data were collected from 368 individuals in employees working in small and medium-sized firms at Gyeongnam region to test theoretical model and its hypotheses. All data collected from the survey were analyzed using with SPSS 18.0. This study reports findings as follows: first, the relationship between the corporate entrepreneurship(except innovation) and the employee's self-efficacy is positively related. Second, there was also a positive correlation between the employee's self-efficacy and firm performance. Third, the relationship between the corporate entrepreneurship and the non-financial performance is positively related. The relationship between the corporate entrepreneurship(except innovation) and the financial performance is positively related. Finally, the employee's self-efficacy played as a partial mediator on the relationship between risk-taking and firm performance. The employee's self-efficacy played as a fully mediator on the relationship between proactiveness and non-financial performance. The employee's self-efficacy played as a partial mediator on the relationship between proactiveness and financial performance. However, there was no empirical evidence for the mediating effect of employee's self-efficacy on the relationship innovation and firm performance. Based on these findings, the implications and the limitations of the study were presented including some directions for future studies.
