This paper documents a link between trading and diversi cation by using detailed trading records from a Swedish discount broker matched to individual tax records. Investors' diversification is measured by stake size, defined as the fraction of their risky financial wealth invested in individual...

We examine the extent to which brokers generate profits for their customers by issuing stock recommendations, and whether these profits can explain the elevated trading volumes around the time they are issued. Using a comprehensive data set of brokers' daily transactions on the Stockholm Stock...

I derive indifference curves in mean-standard deviation space for investors with prospect theory preferences when returns are normally distributed. The normality assumption creates a mapping between model parameters and the investment opportunity set. The model is then calibrated to historical...

Department: School of Business.

This paper analyzes infant mortality in a unique and highly-detailed data set from Uruguay. A duration model is employed to estimate the relationships between infant mortality and socioeconomic status at the individual, household, and community level. Our results indicate that the most important...

If individuals derive a small utility from gambling, we should observe high turnover in stock portfolios that are of only marginal importance to them. By the use of detailed individual financial data, as weIl as trades from a Swedish online broker, we measure the frequency and cost of online...