NO.PZ202304050100005802
问题如下：
In the second proposed change for the LTIP, which individual change in the assumptions summarized in Exhibit 1 will most likely result in an increase in compensation expense? The change in the:
选项：
A.volatility.
risk-free rate.
dividend yield.
解释：
A decrease in dividend yield increases the estimated fair value of a call option when using the Black–Scholes model and hence would increase the related compensation expense.
为什么 dividend yield 下降，股价会上升？
