In this work we ask is there a best model for uncertainty decisions? . ¿Which is the status of Simon bounded rationality: an alternative or complentary to traditional VNM theory?. ¿What has been the place of Prospect Theory?. We analize some paradoxes in order to explain some extentions and...

We analize the regulation established by the Banco de México in 2010 to commissions by interbank transactions at ATMs. Under a space model with a duopoly, we endogenize ATM deployment, account fees and ATM fees. We show that the commissions by interbank transactions remain unchanged. The...

This paper surveys the main contributions of Amartya Sen in the fields of social choice theory, income distribution, and measurement of poverty. His empirical studies on famine and his discussion of the fundamental themes of rational choice are also commented on. A recurring theme in Sen's work...