Goetzmann, William; Simonov, Andrei; Massa, Massimo - National Bureau of Economic Research (NBER) - 2004
We relate the degree of investor portfolio focus to the broader urban economic context of the household. Using a detailed panel of investors in Sweden over the period 1995 to 2000, we find that the level of investor diversification, as measured by number of stocks in the portfolio and by the...