3Stiglitz, J.E. and A. Weiss, 1981, "Credit Rationing in Markets with Imperfect Information", The American Economic Review ,71 ( 3 ) :393---410.
4Boucher, S. R. , M.R. Carter, and C. Guirkinger, 2008, "Risk Rationing and Wealth Effects in Credit Markets : Theory and Implications for Agricultural Development", American Journal of Agricultural Economics ,90 (2) :409--423.
5Khantachavana, S. V. , C. G. Turvey, et al. ,2011, Risk Rationing in China Rural Credit Markets, Agricultural and Applied Economics Association.