6Franco M, Merton H M. The Cost of Capital, Corporation Finance and the Theory of Investment [ J ]. The American Economic Review, 1958 ( 3 ) :261 - 297.
7James H S Jr. A Theory of Optimal Capital Structure[J]. The Bell Journal of Economics,1976( 1 ) :33 -54.
8Joseph E S. Some Aspects of the Pure Theory of Corporate Finance : Bankruptcies and Take - overs[ J]. The Bell Journal of Economies and Management Science, 1972 (2) :458 - 482.
9Dwight M J, Thomas R. Imperfect Information, Uncertainty, and Credit Rationing [ J ]. The Quarterly Journal of Economics, 1976 (4) :651 - 666.
10Stiglitz Joseph E, Andrew W. Credit rationing in markets with imperfect information[ J]. American Economic Review, 1981:393 -410.