Sometimes the leaders of ethnic minority groups behave in a way that may promote xenophobia. A simple two-subject model is used to find out when this behaviour is rational. The conditions are briefly discussed with reference to the Italian case. An appendix illustrates the definition of...

A real-effort experiment is conducted in order to detect preferences for one out of three different models of the Welfare State characterized by different tax-and-transfer schemes. We reproduce a small society in the lab where: Subjects are grouped in three stylized classes (the rich, the middle...

The aim of this paper is to shed light on scholarly communication and its current trajectories by examining academics' perception of Open Access, while also providing a reference case for studying social norm change. In this respect, the issue of publication choice and the role of Open Access...