2Hugh T. Patrick. Financial Development and Economic Growth in Underdeveloped Countries [J]. Economic Development and Cultural Change, 1966(2) : 174-189.
3Berger A. N. , Udell G.F. The Economics of Small Business Finance.. The Role of Private Equity and Debt Market in the Financial Growth Cycle [J]. Journal of Banking and Finance, 1998(22) :613-673.