7Matts Rosenberg. Stock option compensation in Finland: an analysis of economic determinants, contracting frequency, and design [C]. European Financial Management Association 2003 Annual Meeting, 2003.
8David Yermack. Do corporations award CEO stock options effectively[J]. Journal of Financial Economics, 1995, (39):237-269.
9Dechow, Patricia M. , Richard G. Sloan. Executive incentives and the horizon problem[J]. Journal of Accounting and Economics, 1991,(14) :51-89.
10Konari Uchida. Determinants of stock option use by Japanese companies[J].Review of Financial Economics, 2006, (15):251-269.