1Berger A N, Udell G F. Relationship lending and lines of credit in small firm finance [J]. Journal of Busi- ness, 1995, 68 (3):351--382.
2Berger A N, Udell G F. Small business credit availability and relationship lending: The importance of bank organizational structure [J]. Economic Journal,2002, 112 (477) : F32-- F53.
3Berger A N, Udelt G F. A more complete conceptual framework for SME finance I-J]. Journal of Banking and Finance, 2006, 30 (11): 2945--Z966.
4Petersen M A, Rajah R G. Does distance still matter? The information revolution in small business lend: ing [J]. Journal of Finance, 2009, 57 (6).- 2533--2570.
5Stein J C. Information production and capital allocation: Decentralized vs. hierarchical firms [J]. Journal of Finance,2002, 57 (5) :1891--1921.