Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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We value stock options based on the Black-Scholes (1973) formula for valuing European call
options, as modified by Merton (1973).
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To construct a measure of the total stock option holdings
of each CEO at a given point in time, we use proxy data on stock option grants, gains from
exercising stock options, and the total number of stock options held by the CEO. Annual proxies
contain information on options granted during the preceding fiscal year, including the number,
duration, and exercise price of the options. In order to construct a CEO’s total holdings of stock
options, we go back to the first year in...
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Speculative Trading and Stock Prices: Evidence from Chinese A-B Share Premia *
