一、引言信贷配给是信贷市场上存在的一种典型现象,它包括两种情况:一种情况是,在所有贷款申请人中只有一部分人得到贷款,另一部分申请人即使愿意支付更高的利息也不能得到贷款;另一种情况是,给定申请人的借款要求只能被部分地满足。1930年凯恩斯在其《货币论》中已经指出信贷配给现象的存在,但没能给予充分的解释。在20世纪50年代,Roosa等人 I. INTRODUCTION Credit rationing is a typical phenomenon in credit markets. It includes two situations: one is that only a part of all loan applicants get loans, and the other part of applicants are willing to pay even higher interest rates Nor can they get a loan; in the other case, a borrower’s request for a given applicant can only be partially satisfied. In his 1930 Keynesian theory, Keynes pointed out the existence of the credit rationing but failed to give sufficient explanations. In the 1950s, Roosa et al