6Asli Demirg u Kunt,Luc Laeven&.Eoss Levine . Resudations,Market Structure , Institions ,and the Cost of Finanial Intennedation[J].Joural of Money,Credit,and Barking, (56): 595-622.
7Asli Demirguc-Kunt,&.Eoss Levine.Financial Structure and Economic Gmwth:A Cross-Country Comarison of Banks, Markets, and Development[M]. MIT Press,2004.
8Bahajide Fowowe.Financial Iiberalization in sub-saharan Africa: what do we k now?[J].Journal of Economlc Surveys,2011 ,(27): 1-37.