2[1]Modigliani F,M H Miller.Corporate Income Taxes and the Cost of Capital:a Correction[J].American Economic Review,1958,48,(1):261-297.
3[2]Jensen M C,W H Meckling.Theory of the Firm:Managerial Behavior,Agency Costs and Ownership Structure[J].Journal of Financial Economics,1976,3,(2):305-360.