This article uses event study methodology to investigate whether firms adopt Stern Stewart's EVA system due to poor stock performance (i.e., poor profitability) and whether adopting EVA leads to better stock performance (i.e., greater profitability). There is insufficient evidence to conclude...

This paper provides significant extensions and tests of momentum trading strategies based on relative prices that were first explored by George and Hwang (2004). We develop new momentum strategies based on the ratio of the current stock price to each of five different reference points in past...

The arithmetic mean-variance efficient frontier shows that taking more risk is always rewarded with higher expected arithmetic return. However, expected arithmetic return is a poor indicator of long-term arithmetic return, which corresponds to expected continuous return. For the continuous...

We find intra-industry contagion and the following other potential violations of the efficient market hypothesis following large one-day individual stock price decline events. On average, after an event, the event stock experiences a positive three-day abnormal return (S&P 600 stocks) followed...