6Barro, R. J. The Loan Market, Collateral, and Rates of Interest [J]. Journal of Money, Credit and Banking, 1976, 8 (04) : 439 -456.
7Stiglitz, J. E. & Weiss, A. Credit Rationing in Markets with Imperfect Information [ J ]. The American Economic Review , 1981, 71 (03) : 393 -410.
8Chan, Y. & Thakor, A. V. Collateral and Competitive Equilibria with Moral Hazard and Private Information [J]. The Journal of Finance, 1987, 42 (02) : 345 -363.
9Chan, Y. & Kanatas, G. Asymmetric Valuations and the Role of Collateral in Loan Agreements [J]. Journal of Money, Credit and Banking, 1985, 17 (01) : 84 -95.
10Berger, A. N. & Udell, G. F. Relationship Lending and Lines of Credit in Small Firm Finance [ J ]. The Journal of Business, 1995, 68 (03): 351 -381.