Tsafou, Aggeliki2015-02-012025-03-262015-02https://pyxida.aueb.gr/handle/123456789/6025https://doi.org/10.26219/heal.aueb.8236Thesis - Athens University of Economics and Business. Postgraduate, Department of Economicspdf111p.InvestmentPortfolio managementRiskEconomicsTextTzavalis, Elias