• Korean small business review
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• v.43 no.3
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• pp.43-73
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• 2021

The purpose of this study is to examine the effect of the collective psychological ownership (CPO) of the board of directors of cooperatives on organizational performance, and to find out the mediator effect of shared leadership between CPO and organizational performance. In this study, we collected a data set of the survey of 453 directors from 78 local consumer cooperatives of iCOOP Korea. The study found that the CPO of the board of directors of consumer cooperatives had a positive impact on the social performance and activity performance of the organization. More importantly, the mediator effect of shared leadership between CPO and performance was statistically significant. These results suggest that strengthening CPO on the board is necessary for the performance of co-operatives, and that shared leadership is an important medium for linking CPO to performance.