A rich literature argues that stock repurchases often serve as positive economic signals beneficial to investors. Yet due to their inherent flexibility, open market repurchase programs have long been criticized as weak signals lacking commitment. We evaluate whether some managers potentially use...

This paper investigates the behavior of investors in the equity option market using a unique and detailed dataset of open interest and volume for all contracts listed on the Chicago Board Options Exchange over the 1990 through 2001 period. We document major stylized facts about the option market...

We provide an exploratory investigation of mutual funds' investment styles. Funds' styles tend to cluster around a broad market benchmark. When funds deviate from the benchmark they are more likely to favor growth stocks with good past performance. There is some consistency in styles, although...