7Jensen, M. C. Agency Costs of Free Cash Flow, Corporate Finance, and Takeovers [ J ]. American Economic Review, 1986, 76(2) :323-329.
8Coffee,J. C. Liquidity versus Control:The Institutional Investor as Corporate Monitor[ J ]. Columbia Law Review, 1991,91 (6) :1277-1368.
9Richardson, S. A. Over-Investment of Free Cash Flow [ J ]. Review of Accounting Studies, 2006,11 ( 2 ) : 159-189.
10Brickley,J. A. , Lease,R. C. , Smith, C. W. Ownership Structure and Voting on Antitakeover Amendments [ J ]. Jouranl of Financial Economics, 1988,20(1-2) ,267-291.