6M. Spence. Market Signaling: Information Transfer in Hiring and Related Screening Process [ M ]. Cambridge. Massachusetts. Harvard University Press,1974.
7William L. Megginson. Corporate Finance Theory[M]. Person Education and Dongbei University of Finance & Economics Press, 1997.
8Kandori M. Social Norms and Community Enforcement[J]. Review of Economic Studies, 1992, (59):63-80.
9La Porta, Rafael, Florencio Lopez-de-Silanes, Andrei Shleifer, Robert W. Vishny. Investor Protection and Corporate Valuation [ R ]. NBER Working Paper 7403, 1999.
10La Porta, Rafael, Florencio Lopez-de-Silanes, Andrei Shleifer, Robert W. Vishny. Investor Protection and Corporate Governance [ J ]. Journal of Financial Economics, 2000(58) :3 - 28.