%0 Journal Article %T Concentration of ownership and corporate performance: evidence from the Zagreb Stock Exchange %A Alen D£¿ani£¿ %J Financial Theory and Practice %D 2012 %I Institute of Public Finance %X This study examines the relationship between ownership structure and firm performance using a sample of firms listed on the Zagreb Stock Exchange in period 2003-2009. The results obtained using a panel estimation with fixed effects show a significant negative relationship between the existence of a block holder owning more than 30% of the equity and the value of the firm¡¯s Tobin¡¯s Q. However, if there is a family-type second block holder, the effect disappears. Further, the study gives evidence of the negative impact of the fraction of equity owned by management on labor efficiency confirming the quiet-life hypothesis from Bertrand and Mullainathan (2003). Finally, it is shown that foreign ownership is not significantly better than domestic. %K ownership structure %K ownership concentration %K Tobin¡¯s Q %K return on equity %K labor efficiency %K block holder %K management ownership %K Croatia %K Zagreb Stock Exchange %U http://www.ijf.hr/upload/files/file/FTP/2012/1/dzanic.pdf