Large shareholders may play an important role for firm performance and policies, but identifying this empirically presents a challenge due to the endogeneity of ownership structures. We develop and test an empirical framework which allows us to separate selection from treatment effects of large...

We analyze the effects of heterogeneity across large shareholders, using a new blockholder-firm panel dataset in which we can track all unique blockholders among large public firms in the United States. We find statistically significant and economically important blockholder fixed effects in...

We study changes in the design of CEO contracts when firms transition from being public with dispersed ownership to being private with strong principals in the form of private equity sponsors. These principals redesign many, but far from all, contract features. There is no evidence that they...