1Berger, A N , Udell, G F , The economics of small business finance : The roles of private equity and debt markets in the financial growth cycle. Journal of Banking & Finance, 22,1998,pp.613- 673.
2Meyer, L H , The present and future role of banks in small business finance. Journal of Banking and Finance, 22, 1998, pp. 1109 -1116.
3Stiglitz, J , Weiss, A , Credit rationing in markets with imperfect infornration. American Economic Review, 71,1981, pp. 393- 410.