This paper presents the latest version of the annual econometric model for the Brazilian economy developed by the Group of Macroeconomic Analysis and Modelling (Gamma) at IPEA/DIPES. The model is designed to make medium run projections and policy simulations. The specification of the model is...

We perform an experimental investigation using a dictator game in which individuals must make a moral decision --- to give or not to give an amount of money to poor people in the Third World. A questionnaire in which the subjects are asked about the reasons for their decision shows that, at...

In this article we explore the positive use of “social identity” in order to explain certain instances of social action. We attempt to isolate its explanatory power alongside the two great motivational mechanisms of the sociological tradition: interests and instrumental rationality, on the...