This article discusses Alvin Roth’s research about moneyless markets, and in particular about the manner in which kidneys are allocated to patients needing transplants. As Titmuss pointed out for blood transfusions, providing monetary incentives to blood donors may crowd out supply, since...

In this article, we aim at understanding whether, in multi-ethnic democracies potentially torn apart by ethnic conflicts, crucial ethical concerns like aversion towards inter-ethnic inequality may significantly lower citizens? temptation to vote for their ethnic party (promoting the interest of...

This paper analyzes the relations between social capital, institutions and trust.These concepts are full of ambiguity and confusion.This paper attempts to dissolve some of the confusion, by distinguishing trust and control, and analyzing institutional and relational conditions of trust.It...

This paper explicitly introduces norms in games, assuming that they shape (some) players’ utility and beliefs. People feel badly when they deviate from a binding norm, and the less other players deviate, the more badly they feel. Further, people anger at transgressors and get pleasure from...

We argue that the intrinsic inefficiency of proprietary software has historically created a space for alternative institutions that provide software as a public good. We discuss several sources of such inefficiency, focusing on one that has not been described in the literature: the...