A well known problem in finance is the absence of a closed form solution for volatility in common option pricing models. Several approaches have been developed to provide closed form approximations to volatility. This paper examines Chance's (1993, 1996) model, Corrado and Miller's (1996) model...

We examine the ex-ante optimality of repricing of executive stock options while considering the tax effects of new accounting rules associated with traditional repricing. Although there has been a body of empirical literature on repricing, the optimality of repricing after considering the...