7M. C. Jensen and W. Meckling. Theory of the Firm: Managerial Behavior, Agency Costs and Capital Structure [ J ]. Journal of Financial Economics, 1976, (3) :305 - 360.
8S. C. Myers and Majluf. Corporate Financing and Investment Decisions when Firms Have Information That Investors Do Not Have [ J ]. Journal of Financial Economics, 1984, ( 13 ) : 187 - 221.
9Bemanake, B and Gertler, M , 1989, Agency Costs, Net Worth, and Business Fluctuations, The American Economic Review, 79,14-31.
10Bemanake, B and Gertler, M , 1990, Financial Fragility and Economic Performance, Quarterly Journal of Economics, 105,97-114.