Traditional mean-variance efficient portfolios do not capture the potential wealth creation opportunities provided by predictability of asset returns. We propose a simple method for constructing optimally managed portfolios that exploits the possibility that asset returns are predictable. We...

Standard asset pricing models have difficulty explaining cross-sectional differences in observed equity risk premia of developed and emerging markets. We argue that national equity returns are subject to sample selectivity. The lack of credible commitment to keep capital markets open (risk of...

We examine the activity and performance of a large panel of individual investors (approximately 70,000 investors and their daily returns over the 2000 to 2010 period) in Sweden's Premium Pension System. We document strong inertia in individuals' choices and changes of mutual funds. We find that...

This paper provides evidence on the use of stochastic discount factors in the evaluation of portfolio performance. First, we discuss evaluation in this setting, and relate it to traditional mean-variance analysis. We then use Monte Carlo experiments to examine the small sample properties of...

The performance, and its characteristics, of Swedish-based equity and bond mutual funds are studied in detail. Accounting for survivorship biases, regular equity funds have a slight overperformance, equity funds with certain tax advantages have a negative performance (before tax), and bond funds...

We study the investment behaviour of foreign investors in association with an equity market liberalization, and find a strong link between foreigners' trading and local market returns. In the period following the liberalization, foreigners' net purchases led to a permanent increase in prices, or...

The average firm going public or issuing new equity underperforms the market in the long run. A potential explanation of this long-run underperformance has to do with the endogeneity of the number of new issues. That is, due to the clustering of events after periods of high abnormal returns in...