Dumb Money: Mutual Fund Flows and the Cross-Section of Stock Returns

Andrea Frazzini, Owen A. Lamont

NBER Working Paper No. 11526
Issued in August 2005
NBER Program(s):Asset Pricing Program, Corporate Finance Program

We use mutual fund flows as a measure for individual investor sentiment for different stocks, and find that high sentiment predicts low future returns at long horizons. Fund flows are dumb money  by reallocating across different mutual funds, retail investors reduce their wealth in the long run. This dumb money effect is strongly related to the value effect. High sentiment also is associated high corporate issuance, interpretable as companies increasing the supply of shares in response to investor demand.

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Document Object Identifier (DOI): 10.3386/w11526

Published: Frazzini, Andrea & Lamont, Owen A., 2008. "Dumb money: Mutual fund flows and the cross-section of stock returns," Journal of Financial Economics, Elsevier, vol. 88(2), pages 299-322, May. citation courtesy of

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