This paper examines if taking into account changes in the number of producers, or equivalently changes in the product variety space over the business cycle, helps to understand and replicate international business cycle facts. To this end, we develop a two-country model in which the economy is...

The objective of this article is to investigate whether, despite of the goal of utility maximization defended by the neo-classic economic theory, the altruism can prevail inside organizations. Initially, one brief discussion of the altruism will be presented, analyzing this concept from some...

Portuguese Abstract: O volume de investimentos governamentais na área de segurança pública, conforme as informações de orçamentos públicos, estão excessivamente elevados, em detrimento de áreas como a saúde pública, cujos valores apresentam-se aquém das necessidades. Faz-se...