3Stiglitz Joseph E., Weiss, Andrew. Credit Rationing in Market with Imperfect Information [J].the American Econom- ic Review, 1981 (3).
4Berger A.N., UdeU G.F.. The Economics of Small Busi- ness Finance: the Roles of Private Equity and Debt Market in the Financial Growth Cycle [J].Joumal of Banking and Fi- nance, 1998(1).
5Myers, Majlu Corporate, Finance and Investment Deci- sions When Firms Have Information that Investor do not Have [J ].Journal of Financial Economics, 1984 ( 13 ).
