Shortfall aversion reflects the higher utility loss of a spending cut from a reference point than the utility gain from a similar spending increase, in the spirit of Prospect Theory's loss aversion. This paper posits a model of utility of spending scaled by a function of past peak spending,...

A growing literature suggests that, even in the absence of any ability to predict returns, holding options on the benchmarks or trading frequently can generate positive alpha. The ratio of alpha to its tracking error appraises a fund's performance. This paper derives the performance-maximizing...

Ratios that indicate the statistical significance of a fund's alpha typically appraise its performance. A growing literature suggests that even in the absence of any ability to predict returns, holding options positions on the benchmark assets or trading frequently can significantly enhance...

Ratios that indicate the statistical significance of a fund’s alpha typically appraise its performance. A growing literature suggests that even in the absence of any ability to predict returns, holding options positions on the benchmark assets or trading frequently can significantly enhance...

A front page Sunday New York Times article on a potential development of new drugs to cure cancer caused the price of EntreMed (ENMD) stock to rise from 12.063 at the Friday close, to open at 85 and close near 52 on Monday. Trading volume was more than 400 times the normal trading volume, and...

We asked subjects to self-select into one of two constests, "coin" or "die." The winner in each of the contest is the person with most correct guesses of 20 coin flips or 20 rolls of a die, respectively. Most subjects reported that they belived that most people would go to the "coin" group. They...

We asked subjects to self-select into one of two constests, "coin" or "die." The winner in each of the contest is the person with most correct guesses of 20 coin flips or 20 rolls of a die, respectively. Most subjects reported that they belived that most people would go to the "coin" group. They...