Foucault, Thierry; Sraer, David; Thesmar, David - C.E.P.R. Discussion Papers - 2008
, theory implies that the volatility of stocks affected by the reform should decrease relative to other stocks. This prediction …We test the hypothesis that individual investors contribute to the idiosyncratic volatility of stock returns because … are also consistent with models in which individual investors, acting as noise traders, are a source of volatility. …