The study focuses on the admissibility and assessment of economic expertise in EC competition law litigation. I start by exploring the broader issues raised by the integration of economic expertise in litigation: in particular the risk of moral hazard and adverse selection because of the...

Should courts consider cases from other jurisdictions? The use of foreign law precedent has sparked considerable debate in the United States, and this question is also controversially discussed in Europe. In this paper and within the larger research project from which it has developed, we study...

Although democracy is today the most common form of government, the Law and Economics literature has neglected for a long time the role of social preferences in lawmaking. This article aims at capturing the endogenous process of lawmaking: in democracies, people partly determine the law they...

We document judicial leniency on defendant birthdays across 5 million decisions. Our results are consistent with reference-dependent social preferences. First, French sentences are 1% fewer and around 5% shorter. Second, U.S. federal judges also round down sentences except when rounding up makes...

The global trend has been toward the judicialization of social, economic and political issues. Civil law countries, newly established democracies and even authoritarian regimes have now adopted various forms of constitutional review that greatly expand the policy-making capacity of judges. In...