This paper considers a plethora of option-based measures of stock mispricing introduced by previous literature. These measures are based on differences between implied and actual stock prices, differences in implied volatilities across options, and on option trading volume. We show that stocks...

Standard Fama-French and Carhart models produce economically and statistically significant nonzero alphas, even for passive benchmark indices such as the S&P 500 and Russell 2000. We find that these alphas arise primarily from the disproportionate weight the Fama-French factors place on small...

This paper revisits the staggered board debate focusing on the long-term association of firm value with changes in board structure. We find no evidence that staggered board changes are negatively related to firm value. However, we find a positive relation for firms engaged in innovation and...