This paper uses a sample of over 25,000 daily warrant prices to empirically investigate potential problems with the commonly used warrant pricing model proposed by F. Black and M. Scholes as an extension of their call option model. One problem seems to be especially important: the constant...

The authors examine forty-seven stocks that voluntarily left the American Stock Exchange from 1992 through 1995 and listed on the NASDAQ . They find that both effective and quoted spreads increase by about 100 percent after listing on the NASDAQ. These spread changes are consistent across...

This paper examines the timing of, and reaction to, calls of callable warrants. Three main findings emerge. First, unlike convertible bonds or preferred stock, callable warrants are called almost as soon as possible. Second, there is a negative price reaction of about 3 percent when a call is...

In response to the sharp decline in prices of financial stocks in the fall of 2008, regulators in a number of countries banned short selling of particular stocks and industries. Evidence suggests that these bans did little to stop the slide in stock prices, but significantly increased costs of...

Markets should be inefficient enough to allow returns to security analysis to adequately compensate the marginal analyst for his efforts. Cross-sectional differences in the costs of analysis therefore imply cross-sectional differences in market efficiency and in before-cost returns to smart...