It is generally believed that excessive stock market volatility reflects non-mathematical market expectations that are driven by “irrational exuberance” or “animal spirits”. As shown in this paper, there is an alternative explanation. If ex-ante and ex-post expectations are calculated in...

Although there are many stock market anomalies which the Efficient Market Hypothesis (EMH) finds difficult to explain, it also has its strengths, and so far no alternative hypothesis has been developed which can explain what the EMH explains but which can also do a better job in explaining the...

This study shows how correlated information consumption (CIC) of retail investors relates to comovement in stock market outcomes. We construct clusters of stocks with CIC by employing network analysis on Google co-search data. We predict significant comovement in returns and liquidity of stocks...