3[1]Grossman S. Hart,O. Corporate Financial Structure and Managerial Incentives, In McCall (ed.), The Economics of Information and Uncertainty[M]. Chicago: Universi ty of Chicago Press,1982.
4[2]Miller, Merton H. Debt and Taxes [J]. Journal of Fi nance, 1977, (32).
5[3]Modigligliani Franco, Miller, Merton H. The Cost of Capital Corporation Finance and the Theory of Investment: Comment[J]. The American Economic Review, 1958,(58).
6[4]Myers ,S. The Capital Structure Puzzle[J]. Journal of Fi nance, 1984, (39).
7[5]Ross, S. The Determination of Financial Structure: the Incentive Signalling Approach[J]. Bell Journal of Eco nomics 1977, (8).
