7Modigliani,Franco & Merton Miller.The Cost of Capital, Corporation Finance and the Theory of Investment[J]. American Economic Review, 1955,26(45) : 1-27.
8Modigliani,Franco & Merton Miller.Corporate Income Tax- es and the Cost of Capital [J].America Economic Re- view, 1965,55 : 433-443.
9Charles H.Gibson.The Occurrence and Timing of Events: Survival Analysis Applied to the Study of Financial Distress [ J ].Journal of Accounting Literature, 2000, (19) : 158-189.
10Altman E.L. Financial Ratios,Discriminate Analysis and Prediction of Corporate Bankruptcy[J]Joumal of Finance, 1968, (9) :589-609.