We examine corporate product diversification as a dynamic process. Consistent with prior research, we find that the average diversification discount is about 8% when using the standard value-multiple approach. However, we find that a significant portion of the diversification discount arises...

Prediction markets add value when they produce unbiased forecasts. However, several prior studies find persistent biases when examining prediction market sides contracts. Sides contracts represent bets on whether the score differential between two teams in a contest will be greater or less than...

We examine the performance of 1,572 stock recommendations published over the past 10 years by Kiplinger's Personal Finance magazine. Kiplinger's picks earned a risk-adjusted mean abnormal monthly return of -2.58% over the 6-month post-pick period. Our analysis indicates that the recommended...

This paper examines price efficiency and out-of-sample predictability in the NFL point spread betting market. Our main contribution to the existing literature is the identification of a persistent increase in bias magnitude during the final few weeks of each season. We demonstrate that this...

We examine the value of expert picks published by SmartMoney, a popular investment periodical. Most can be described as ‘hot' stocks – those that have experienced run-ups in price prior to publication. These stocks subsequently underperform the market by 0.45% per month in the six-month...

We test the NBA betting market for efficiency and find that totals lines are significantly biased early each season, yet sides lines do not show a similar bias. While market participants generally force line movements in the correct direction from open to close, they do not fully remove the...

In this paper I examine the absolute and relative price efficiency of NBA options listed on Tradesports.com. I find that contracts within specific price bands are misvalued, but also demonstrate that this market is more efficient than is the market for NFL options. Specifically, I show that...

We examine the effects of variations in player compensation on NFL franchise performance from 1994 to 2004. Evidence shows that team success depends significantly upon both the actual and perceived fairness of pay distribution. Specifically, proficiency relative to that of competitors is high...

Corporate managers often invest in activities that are deemed to be socially responsible. In some instances, these investments enhance shareholder value. However, in other cases, altruistic managers or managers who privately benefit from the positive attention arising from these activities may...

From 2000 to 2008, Tradesports operated an online betting site where gamblers used real money to wager on the outcomes of various sporting events. A critical difference between Tradesports and traditional casino-type venues is that participants were allowed to place wagers after underlying...