We study the relation between mutual fund trades and mass media coverage of stocks. We find that funds exhibit persistent differences in their propensity to buy media-covered stocks. Moreover, this propensity is negatively related to their future performance. Funds in the highest propensity...

We use a two-year panel of individual accounts in an S&P 500 index mutual fund to examine the trading and investment behavior of more than 91 thousand investors who have chosen a low-cost, passively managed vehicle for savings. This allows us to characterize investors' heterogeneity in terms of...

We use a two-year panel of individual accounts in an Samp;P 500 index mutual fund to examine the trading and investment behavior of more than 91 thousand investors who have chosen a low-cost, passively managed vehicle for savings. This allows us to characterize investors' heterogeneity in terms...

We examine the daily activity and performance of a large panel of individual investors in Sweden's Premium Pension System. We find that active investors earn significantly higher returns and risk-adjusted returns than inactive investors. A performance decomposition analysis reveals that most of...

We examine the daily activity and performance of a large panel of individual investors in Sweden's Premium Pension System in the period 2000 to 2010. We find that active investors outperform passive investors, and that there is a causal effect of fund changes on performance. Chosen funds...

We examine the daily activity and performance of a large panel of individual investors in Sweden's Premium Pension System. We find that active investors earn significantly higher returns and risk-adjusted returns than inactive investors. A performance decomposition analysis reveals that most of...

U.S. equity mutual funds, on average, prefer realization of capital losses to capital gains. Nevertheless, a substantial fraction exhibits the disposition effect of realizing gains more readily than losses. My analysis suggests that learning effects have reduced the manifestation of the...

This paper finds that the disposition effect, well-known in many financial markets, exists in the closed-end fund market, where fundamental values are known, yet the magnitude of the effect varies with the adoption of different reference points. Using the prospect theory explanation to this...

The popularity of passive investing through index mutual funds and exchange-traded funds (ETFs) has grown substantially over recent years, displacing higher-cost active investment styles. A shift towards passive investing could affect securities markets in two key ways. First, it could result in...

In this paper we examine the effectiveness of modeling a paris-traded ETF portfolio as an Ornstein-Uhlenbeck process. Using ETF pairs that have similar references indexes, we apply maximum likelihood estimation to historical data in order to optimize trading signals for two strategies. Using...