We administer a newly-designed survey to a large panel of retail investors who have substantial wealth invested in financial markets. The survey elicits beliefs that are crucial for macroeconomics and finance, and matches respondents with administrative data on their portfolio composition and...

This paper examines the relation between equity portfolio diversification choices of individual investors and stock returns. Using a six-year panel (1991-96) of individual investors, I find that stocks with less diversified individual investor clientele earn higher returns. A zero cost portfolio...