8Stiglitz. J. E and A. Weiss, 1981, Credit Rationing in Markets with Imperfect Information, American Economic Review,Vol.71(3) : 393 - 410.
9F, Modigliani & M, H, Miller: "The Cost of Capital, Corporation Finance and the Investment", American Ecenomie Review, June, 1958.
10Stewart C. Myers, Nicholas S. Majluf: Corporate Financing and Investment Decision When Firms Have Information The Investors Do Not Have, NBER Working Paper No. 1396.