“…Moreover, these studies (as well as ours) usually do not address the endogeneity of board characteristics (Hermalin and Weisbach, 2003). Studies analyzing the determinants of board characteristics often find that optimal board size and composition may vary across firms based on factors such as their growth opportunities, size, complexity, and CEO independence (Boone, Karpoff, and Raheja, 2007;Lehn, Patro, and Zhao, 2008;Link, Netter, and Yang, 2008;Coles, Daniel, and Naveen, 2008).…”