Shareholder proposals are increasingly important tools for corporate reformers, yet courts, policy makers, and scholars are concerned that proposals may be used "opportunistically" as bargaining chips by activists to extract side payments from management. This paper investigates whether labor...

We find evidence that labor unions affect CEO compensation. First, we find that firms with strong unions pay their CEOs less. The negative effect is robust to various tests for endogeneity, including cross-sectional variations and a regression discontinuity design. Second, we find that CEO...