We analyze the trading activity in an Internet chat room with approximately 1,300 participants. Traders make posts in real time about their activities. We find these traders are more skilled than retail investors analyzed in other studies. 55% make profits after transaction costs, and they earn...

This paper proposes the Shannon entropy as an appropriate one-dimensional measure of behavioural trading patterns in financial markets. The concept is applied to the illustrative example of algorithmic vs. non-algorithmic trading and empirical data from Deutsche Börse's electronic cash equity...

This note investigates the causes of the quality anomaly, which is one of the strongest and most scalable anomalies in equity markets. We explore two potential explanations. The "risk view", whereby investing in high quality firms is somehow riskier, so that the higher returns of a quality...

We investigate whether limited investor attention is a factor in the effectiveness of institutional shareholder activism. Prior research has shown that an inability of market participants to allocate sufficient intellectual effort to the investment decision can have an impact on market price and...

We examine the trading behavior of institutional investors in the Exchange Traded Fund (ETF) market from 1993 to 2007. We concentrate on the relation between cross-sectional institutional ETF ownership and returns, particularly on the relation between changes in ownership and future returns,...

This paper examines individual investors' trading behaviour by testing the presence of Monday and January anomalies on the Polish futures market, where individuals are the predominant trader type. Both anomalies are well established in the literature, and they are at least partially attributed...

This paper examines how individual investors' participation in short sale affects the efficiency of stock pricing using a unique regulatory change in Korea. The change enables individual investors to sell short some -- but not all -- domestic stocks, without affecting the short-selling ability...

We document a strong link between institutional investors and long-run stock return and operating performance following seasoned equity offerings (SEOs). Virtually all of the underperformance is confined to the top two quintiles of stocks with the largest increase in number of institutional...