2Baron R M.Kenny D A.The moderator-mediator variables distinction in social psycho-logical research.Conceptual,strategic,and statistical considerations[J].Journal of Per-sonality and Social Psychology,1986,51.1173-1182. 被引量：1
3Preacher K J,Hayes A F.SPSS and SAS procedures for estimating indirect effects in simple mediation models[J].Behavior Research Methods,Instruments,and Comput-ers,2004,36.717-731. 被引量：1
4Richardson S.Over-investment of free cash flow[J].Review of Accounting Studies,2006,(11).159-189. 被引量：1
5Myers . Determinants of corporate borrowing [ J ]. Journal of financialeconomics, 1977(5) : 147-175. 被引量：1
6Stulz,Rene M., Johnson H.An Analysis of secured Debt [J]. Journal ofFinancial Economics, 1985( 14) :501-521. 被引量：1
7Diamond , D. W. Monitoring and Reputation : The Choice Between BankLoans and Directly Placed Debt [J]. Journal of Political Economy, 1991(99):689-721. 被引量：1
