In Competition in Telecommunications, Jean-Jacques Laffont and Jean Tirole analyze regulatory reform and the emergence of competition in network industries using the state-of-the-art theoretical tools of industrial organization, political economy, and the economics of incentives. The book opens...

This paper reviews our understanding of the growing open source movement. We highlight how many aspects of open source software appear initially puzzling to an economist. As we have acknowledged, our ability to answer confidently many of the issues raised here questions is likely to increase as...

Studying the implications of uncoordinated borrowing, the paper first looks at whether and when countries borrow too much in the aggregate. It then revisits the "original sin" debate, analyzing whether and when equity portfolio investment, international portfolio diversification, domestic...

The paper builds a tractable model of patent pools, agreements among patent owners to license sets of their patents. It provides a necessary and sufficient condition for patent pools to enhance welfare and shows that requiring pool members to be able to independently license patents matters if...

We build a theory of prosocial behavior that combines heterogeneity in individual altruism and greed with concerns for social reputation or self-respect. The presence of rewards or punishments creates doubt as to the true motive for which good deeds are performed, and this overjustification...