8Sheridan,Titman and Wessels Roberto. The determinants of capital structure choice[J]. Journal of Finance, 1988,(43): 1-19.
9Harris, Milton. and Artur Raviv. The theory of capital structure[J]. Journal of Finance, 1991,(46): 297-355.
10Modigliani F, Miller M H. The cost of capital corporation finance and the theory of investment[J]. The American Economic Review, 1958, (48) :261-297.