8Besanko, D., & Thakor, A., 1987, "Collateral and Rationing: Sorting Equilibrium in Monopolistic and Competitive Markets", International Economic Review 28, 671--689.
9Bester, H., 1985, "Screening Versus Rationing in Credit Markets with Imperfect Information", American Economic Review 75, 850--855.
10Bester, H., 1987, "The Role of Collateral in Credit Markets with Imperfect Information", European Economic Review, 31, 887--899.
