April 1999 - Among three options for constructing funded social security pillars, one system - individual accounts invested in the institutional market, with constrained choice among investment companies - appears to offer reduced administrative and marketing costs, significant worker choice,...

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 higher returns and risk-adjusted returns than inactive investors. A performance decomposition analysis reveals that most of the...