Santos, Tânia; Fabián, Inmaculada Domínguez - Departamento de Gestão e Economia, Instituto … - 2012
increase of old-age persons are eminent, which provide a doubling of the dependency rate. So, the system is not financially … fertility rates, the augmentation of the life expectancy and the increase of the dependency rate) and to a financial insolvency … for the period 2005-50, the required immigrant flows that maintain the old-age dependency rate observed in 2004, and we …