8David Yermack. 1995. Do Corporations Award Ceo Stock Options Effectively? Journal of Financial Economics, 39: 237 - 269.
9Jensen M. C.. 1986. Agency Costs of Free Cash Flow, Corporate Finance, and Takeovers. The American Economic Review, 76 : 659 - 665.
10Jensen Michael C. , William H. Meckling. 1976. Theory of the Firm: Managerial Behavior, Agency Costs and Ownership Structure. Journal of Financial Economics, 3 : 305 - 360.