Social and Behavioral Sciences Commons^™

The Asymmetric Effect Of Sentiment On Equity Returns, Mishal Ahmed

Dissertations

In the first chapter titled “The Asymmetric Effect of Sentiment on U.S. Equity Returns”, we test the asymmetric impact of investor sentiment, proxied by the Baker-Wurgler (2007) investor sentiment index, on expected stock returns in the U.S. We regress sentiment on market and economy-wide fundamentals, use the residuals as a measure of excess sentiment and estimate long-horizon return regressions using positive and negative components of excess sentiment as predictors. We hypothesize that excessive optimism leads investors to make significant portfolio changes whereas excessive pessimism makes investors more cautious about investing, due to loss aversion. Primary results confirm our hypothesis with …