7Marks S G. The separation of ownership and controlrg]. Bouclewijn Bouckaert and Gerrit D, 1999:692-724.
8Hermalin B E, Weisbach M S. Boards of'directors as an en- dogenously determined institution: A survey of" the economic literature[R]. National Bureau of" Economic Research, 2001:7- 26.
9Eisenberg T, Sundgren S, Wells M T. Larger board size and decreasing firm value in small firms[J]. Journal of" Financial Eco-nomics, 1998, 48(1): 35-54.
10Carine 14 F, Linn S C, Yadav P K. Operating performance changes associated with corporate mergers and the role of cor- porate governance[J]. Journal o Banking & Finance, 2009, 33 (10): 1829-1841.