5Joseph e. Stiglitz and Andrew Weiss. Credit rationing in markets with imperfect information[ Jl. American Economics Review,1981.
6Helmut Bester. Screening vs. Rationing in credit markets with imperfect information[ Jl. American Economics Review,1985.
7Philippe Aghion and Patrick Bohon. An Incomplete Contracts Approach to Financial Contracting[ J ]. Review of Economic Studies, 1992.
8Raghuram Rajan and Andrew Winton. Covenants and Collateral as Incentives to Monitor[ J]. The Journal of Finance, 1995.
9G. A. Akerlof. The Market for" Lemons" :Quality Uncertainty andthe Market Mechanism [ J ]. Quarterly Journal of Economics, 1970(3 ).
10A. W. A. Boot and A. V. Thakor. Moral Hazard and Secured Lending in an Infinitely Repeated Credit Market Came[J]. International Economic Review, 1994 (4).
