BASTOS, Paulo Roberto Ferreira de Moura; http://lattes.cnpq.br/0490391460121565 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2002-12-11)
The "Portfolio Theory" has been largely employed on stock markets, aiming to
improve the relation between risk and return. This theory identifies many possible
investment combinations once it's associated with the idea ...