%0 Journal Article %T Determining the Optimum Level of Diversification of Home Broker Investors %A Fernando Nascimento de Oliveira %A Eduardo Lana de Paula %J Revista Brasileira de Finanˋas %D 2008 %I Brazilian Society of Finance %X This paper has the objective of determining the number of stocks that diversify a portf車lio of Bovespa stocks of home brokers investors. We find the number of stocks that diversifies the portf車lio by equalizing the benefit with the cost of including one more stock in the portf車lio. To find the benefit, we use a methodology that is similar to Statman (1987). To find the cost we use an original methodology, in which we weight the costs of major brokers taking in consideration the volume transacted by them. The number of stocks that diversify our portf車lio is 12. (Full article in Portuguese only) %K portf車lio %K diversification %K home brokers. %U http://virtualbib.fgv.br/ojs/index.php/rbfin/article/view/1347