We show theoretically and empirically that flows into index funds raise the prices of large stocks in the index disproportionately more than the prices of small stocks. Conversely, flows predict a high future return of the small-minus-large index portfolio. This finding runs counter to the CAPM,...

Corporate bond mutual funds tend to hold illiquid assets but provide liquid claims to their investors. How do they manage liquidity to meet investor redemptions? We show that, during tranquil market conditions, these funds tend to reduce liquid asset holdings such as cash and government bonds to...

We propose a new measure of time-varying tail risk that is directly estimable from the cross section of returns. We exploit firm-level price crashes every month to identify common fluctuations in tail risk across stocks. Our tail measure is significantly correlated with tail risk measures...