2Demirguc-Kunt A,V Maksimovic.Funding growth in bank-based and market-based financial systems: evidence from firm level data[].The Journal of Finance.2002
3Li H B,Meng L S,Wang Q,Zhou L A.Political Connections,Financing and Firm Performance:Evidence from Chinese Private Firms[].Journal of Development Economics.2008
4Bond S,Harhoff D,Van Reenen J.Investment,R & D and financial constraints in Britain and Germany[].Institute for Fiscal Studies Working Paper.2003