“…Measures such as staggered boards, poison pills, supermajority requirements, and others act together to entrench boards. Striking evidence from research supports the conclusion that entrenchment of boards is harmful to shareholders (Vithayathil and Choudhary, 2018;Gompers, Ishii, and Metrick, 2003;Bebchuk, Cohen, and Ferrell, 2008). Entrenchment is one way to frame weak corporate governance.…”