Itens para a visualização no momento 1-2 of 2

    • Cópulas: uma alternativa para a estimação de modelos de risco multivariados 

      Pereira, Pedro L. Valls
      2009-01-26
      The biggest challenge in portfolio’s risk measures is to find the best way to aggregate risks. This aggregation should be done in the way where we can identify the diversification effect recognized in either asset position ...
    • Modelando contágio financeiro através de cópulas 

      Santos, Ricardo Pires de Souza; Pereira, Pedro L. Valls
      2011-06-02
      This article aims to test the hypothesis of contagion between the indices of nancial markets from the United States to Brazil, Japan and England for the period 2000 to 2009. Time varying copulas were used to capture the ...