Dispersion of Opinion and Stock Returns
AbstractWe use a panel of more than 100,000 investor accounts in US stocks over the period 1991-95 to construct an investor-based measure of dispersion of opinion, unlike the analyst based measure used in the literature. We use this measure to test two competing hypotheses: the sidelined investors hypothesis and the uncertainty/asymmetric information hypothesis. We find evidence that supports the sidelined-investors hypothesis. We show that the dispersion of opinion of the investors in a stock is positively related to the contemporaneous returns and trading volume of the stock and negatively related to its future returns. Moreover, dispersion of opinion aggregates across many stocks and generates factors that have a market-wide effect, affecting the stock equilibrium rate of return and providing additional explanatory power in a standard asset-pricing model. This supports the interpretation of dispersion of opinion as a risk factor. We also show that dispersion of opinion among retail investors Granger causes dispersion of opinion among analysts.
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Bibliographic InfoPaper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4819.
Date of creation: Dec 2004
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- D10 - Microeconomics - - Household Behavior - - - General
- G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-06-14 (All new papers)
- NEP-CFN-2005-06-14 (Corporate Finance)
- NEP-FIN-2005-06-14 (Finance)
- NEP-FMK-2005-06-14 (Financial Markets)
- NEP-RMG-2005-06-14 (Risk Management)
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