5David Yermack. 1995. Do Corporations Award Ceo Stock Options Effectively? Journal of Financial Economics, 39: 237 - 269.
6Jensen M. C.. 1986. Agency Costs of Free Cash Flow, Corporate Finance, and Takeovers. The American Economic Review, 76 : 659 - 665.
7Jensen Michael C. , William H. Meckling. 1976. Theory of the Firm: Managerial Behavior, Agency Costs and Ownership Structure. Journal of Financial Economics, 3 : 305 - 360.
8Konstantinos Tzioumis. 2008. Why do Firms Adopt CEO Stock Options? Evidence from the United States. Journal of Economic Behavior and Organization, 68: 100- 111.
9Lamia Chourou, Ezzeddine Abaoubb, Samir Saadi. 2008. The Economic Determinants of CEO Stock Option Compensation. Journal of muhinational financial management, 18 : 61 - 77.
10Lewellen G. , Claudio Loderer, Kenneth M.. 1987. Executive Compensation and Executive Incentive Problems: An Empirical Analysis. Journal of Accounting and Raonomics, 9: 287 - 310.
