7Hart, O. and Holmstrom, B. The Theory of Contracts. in T. F. Bewley(ed.). Advances in Economic Theory[M]. Cambridge: Cambridge University Press, 1987.
8Tirole, J. Incomplete Contracts:Where Do We Stand? [J]. Econometrica, 1999, Vol.67.
9Tirole, J. Corporate Governance[J]. Econometrica,2001, Vol. 69.
10Grossman, S. and Hart, O. The Costs and Benefits of Ownership[J]. J. Political Economy, 1986,Vol. 94.