We model how investors allocate between asset managers, managers choose their portfolios of multiple securities, fees are set, and security prices are determined. The optimal passive portfolio is linked to the “expected market portfolio,” while the optimal active portfolio has elements of...

Barber and Odean study the relationship between trading activity and returns. They find that households who trade more have a lower net return than other households. They argue that these results cannot emerge from a model with rational traders and instead attribute these findings to...

Barber and Odean (2000) find that households who trade more have a lower net return than others and attribute this pattern to irrationality, particularly overconfidence. In contrast, we find that household financial choices generated from a dynamic optimization problem with rational agents and...

This study examines the stock market entry and exit decisions of U.S. households. We find that around 25% of households enter or exit from their non-retirement investment accounts biennially. Cross-sectional and time-series tests indicate that income risk affects equity ownership turnover. A...

"We present a model in which some investors are prohibited from using leverage and other investors' leverage is limited by margin requirements. The former investors bid up high-beta assets while the latter agents trade to profit from this, but must de-lever when they hit their margin...

This paper examines whether monetary policy affects the portfolio decisions of U.S. households. Contrary to the conventional wisdom, interest rate increases are related to higher equity ownership and higher wealth allocations to risky assets. Inflation hedging is a likely explanation for these...