Ownership concentration beyond good and evil: is there an effect on corporate performance?

In this paper, we analyze the relationship between ownership concentration and firm performance, while accounting for the endogeneity of the ownership structure, a potential curvilinearity of the performance effect, differences in corporate governance systems, and alternative performance measures. Using a sample of 1,079 firms from 8 countries we find evidence for a curvilinear effect of ownership concentration on firm performance, which becomes insignificant after controlling for endogeneity. Hence, our results support the findings by Demsetz and Villalonga (J Corp Fin 7(3):209–233, <CitationRef CitationID="CR17">2001</CitationRef>). More research is needed to disentangle the contradictory findings in prior works. Copyright Springer Science+Business Media, LLC. 2012