We use the power law function to study changes in the distribution of trading volumes of S&P 500 stocks and non-S&P 500 stocks from 1960 to 2013. We find that the distribution of daily trading volumes has changed significantly for different baskets of non-index stocks and trading has become more...

A typical hedge fund manager receives greater compensation when the fund has a strong absolute or relative performance. Asymmetric performance fees and fund flow-performance relationship may create incentives for risk-shifting, estimated in our study by the change in fund return volatility in...