3Adams, William, Liran Einav and Jonothan Levin, 2009, "Liquidity Constraints and Imperfect Information in Suhprime Lending", American Economic Review ,99:1,49--84.
4Aghion P. and P. Bolton, 1992, "An Incomplete Contracts Approach to Financial Contracting", Review of Economic Studies, 59: 473--494.
5Angbazo, L. A. , J. Mei and A. Saunders, 1998, "Credit Spreads in the Market for Highly Leveraged Transaction Loans", Journal of Banking and Finance, 22 : 1249--1282.
6Berger, A.N. and G.F. Udell, 1990, "Collateral, Loan Quality and Bank Risk", Journal of Monetary Economics, 25 : 21--24.
7Berger, A.N. and G. F. Udell, 1992, "Some Evidence on the Empirical Significance of Credit Rationing", Journal of PoliticalEconomy, 100: 1047--1077.
8Besanko, D. and A. V. Thakor, 1987, " Competitive Equilibria in the Credit Market under Asymmetric Information", Journal of Economic Theory, 42 : 167--182.
9Bester, H. , 1994, "The Role of Collateral in a Model of Debt Renegotiation", Journal of Money, Credit and Banking, 26 : 72--86,.
10Bharath, Sreedhar, Sandeep Dahiya, Anthony Saunders and Anand Srlnivasan, 2007, "So What Do I Get? The Bank's View of LendingRelationships", Joarnal of Financial Economics ,85:368---419.
