5Agarwal,A.,Knoeber.,1996.Firm Performance and Mechanisms to Control Agency Problems between Managers and Shareholders [J]. Journal of Financial and Quantitative Analysis, (31) :377-397.
6Arthur,N.,2001.Board Composition as the Outcome of an Internal Bargaining Process: Empirical Evidence[J]. Journal of Corporate Financial, (7) :307-340.
7Bhagat,S.,and Black,B.,1999.The Uncertain Relationship Between Board Composition and Firm Performance[J]. Business Lawyer,(54):921-963.
8Caprio, G., Laeven, L., and Levine, R., 2003.Governance and Bank Valuation[R]. NBER Working Paper 101581.
9Dunn, J.,1987. On the Convergence of Projected Gradient Process to Singular Critical Points[ J ]. Optim.Theory Appl, ( 56 ) : 203-216.
10Fama, E.,1980. Agency Problems and the Theory of Tile Firm[J]. Journal of Political Economy, (88) :288-307.