9Shleifer A, Vishny R. Large shareholder and corporate control[ J]. Journal of Political Economy, 1986, 94(2) : 461-488.
10Hart O, Shleifer A, Vishny R. The proper scope of governant: theory and an application to prisons [ J ]. Quarterly Journal of Economics, 1997, 112(4) : 1127-1162.
