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Anchoring Bias, Idiosyncratic Volatility And The Cross-Section Of Stock Returns, Cedric Tresor Luma Mbanga
Anchoring Bias, Idiosyncratic Volatility And The Cross-Section Of Stock Returns, Cedric Tresor Luma Mbanga
Doctoral Dissertations
Ang, Hodrick, Xing and Zhang (2006) document an anomaly in the cross-section of stock returns. They show that high idiosyncratic volatility (IVOL) firms earn lower returns in the following month. Specifically, they find after sorting stocks in quintile portfolios based on the previous month's IVOL that a zero-investment portfolio long the most volatile quintile of stocks and short the least yields about -1% during the subsequent month. The evidence reported in Ang, Hodrick, Xing and Zhang (2006) is primarily puzzling because traditional asset pricing theories suggest that (i) only systematic risk should be priced, (ii) to the extent that markets …