PURPOSE The purpose of this study is to investigate the pursuit of achievement goals in medical students and to assess the relationship between achievement goals, learning strategy, and motivation. METHODS Two hundred seventy freshman and sophomore premedical students and sophomore medical school students participated in this study, which used the Achievement Goals Scale and the Self-Regulate...

This paper provides evidence that momentum is a systematic phenomenon. We first show that there is essentially no diversification effect in the volatility of momentum profits when momentum strategies are applied to increasingly larger samples of stocks. Further, using the frequency domain component method to decompose stock returns, we find that stocks’ response to a few dynamic systematic fact...

In this study, the profitability of contrarian and momentum strategies were traded in mid- term based on trading volume. The stocks were categorized into three parts (high, middle and low) at the outset. Then, the relationship between excess return with three components such as cross-sectional risk, lead-lag effect and time-series pattern were examined based on Jegadeesh and Titman approach.The...