We use 2 years of daily flows for three major Standard and Poor's index funds to analyze the relationship among index funds, asset prices, and volatility. We find strong contemporaneous correlation between inflows and returns, no evidence for positive feedback trading, and evidence that negative...

We study how actively managed equity mutual funds select the liquidity level of their equity portfolio and the effects of this selection on performance. We provide evidence of five key determinants of portfolio liquidity: portfolio size, portfolio concentration, the manager’s trading...

This Paper investigates the link between a firm’s competitive environment and the idiosyncratic volatility of its stock returns. We find that firms enjoying high market power, or established in concentrated industries, have lower idiosyncratic volatility. We posit that competition affects...

We test the market impact of the disposition effect. We rely on the Grinblatt and Han (2002) model and derive testable implications about the expected relationship between the preponderance of disposition investors in the market and stock volatility, return and trading volume. We use a large...

We focus on an exogenous event that changes the cost of capital of a company – the addition of its stock to the S&P 500 index – and investigate how companies react to it by modifying their corporate financial and investment policies. This allows us to test capital structure theories in an...