Using mutual fund flow, we empirically test whether choices made by investors are consistent with preferences implied by prospect theory. Our findings support this hypothesis. When allocating capital to mutual funds, investors evaluate funds based on the past performance distribution and choose...

This paper investigates how institutional investors matter for asset pricing by using daily institutional trading data and a natural experiment, the split–share structure reform in China. This reform required all listed companies to convert their non-tradable shares to tradable shares after...

Capital Market Theory assumes that the ex ante market portfolio (which is cap-weighted) lies on the (ex ante) efficient frontier. However, we show that ex ante cap-weighted portfolios will always be interior portfolios relative to the end-of-investment-period ex post efficient frontier. This is...

In a model where investors disagree about the fundamentals of two stocks, the state price density depends on investor disagreements for both stocks, especially the larger stock. This implies that disagreement among investors in a large firm has a spillover effect on the pricing of other stocks...