We introduce a new criterion for making welfare comparisons based on the absence of deprivation. This method constitutes a natural alternative to the standard approach in normative economics, which consists in comparing the generalised Lorenz curves of the distributions. The generalised Lorenz...

In this article we examine the setting up of an eductive type of reasoning process in a negative feedback situation. We analyse a variant of a one-shot beauty contest game. Our results show a reasoning level of around 2 steps of introspection, which is enough to reach rapidly the rational...