8Stiglitz and Weiss. Credit rationing in markets with im--perfect information[J]. American Economic Review, 1981,71:393 -410. 被引量:1
9Berger and Udell. The economics of small business fi--nance: the roles of private equity and debt marketa in the financial growth cycle[J]. Journal of Banking and Finance, 1998,22:613-672. 被引量:1