This study investigates whether retail and institutional investors concentrate their trading among certain stock categories (i.e., habitats) and whether their trading activities generate return comovements among stocks within those habitats. Our results indicate that both retail and...

We show that geographical variation in the level of investor sophistication influences local asset prices. Investors in less sophisticated regions exhibit stronger trading correlations, and correspondingly, the returns of firms headquartered in less sophisticated areas are more strongly...

This study examines the stock market entry and exit decisions of U.S. households. We find that around 25% of households enter or exit from their non-retirement investment accounts biennially. Cross-sectional and time-series tests indicate that income risk affects equity ownership turnover. A...

This paper examines the relation between equity portfolio diversification choices of individual investors and stock returns. Using a six-year panel (1991-96) of individual investors, I find that stocks with less diversified individual investor clientele earn higher returns. A zero cost portfolio...

The study analyses the interaction between the trading behaviour of 1,024 moving average and momentum models and the fluctuations of the yen/dollar exchange rate. The paper shows first that these models would have exploited exchange rate trends quite profitably between 1976 and 1999, and then...

The paper investigates the profitability of 1,024 moving average and momentum models and their components in the yen-dollar market. It turns out that all models would have been profitable between 1976 and 2007. The models produce more single losses than single profits. At the same time, the size...

The study analyses the interaction between the trading behaviour of 1,024 moving average and momentum models and the fluctuations of the yen-dollar exchange rate. I show first that these models would have exploited exchange rate trends quite profitably between 1976 and 2007. I then show that the...

This paper investigates how technical trading systems exploit the momentum and reversal effects in the S&P 500 spot and futures market. When based on daily data, the profitability of 2,580 technical models has steadily declined since 1960, and has been unprofitable since the early 1990s....