In case of digital goods such like music, intellectual property rights are typically not exerted by the creators (artists) but by intermediaries. Their profits, and therefore also the income of the artists, are endangered by copyright infringements (piracy). It is well known from static welfare...

We estimate a structural model of borrowing and lending in the illegal money lending market using a unique panel survey of 1,090 borrowers taking out 11,032 loans from loan sharks. We use the model to evaluate the welfare effects of alternative law enforcement strategies. We find that a large...

We ask whether regulation can usefully supplement litigation in a model of optimal social control of harmful externalities. In our model, firms choose activity levels in addition to precautions. In contrast to the usual analysis, we assume that social returns to activity are higher than private...

This article investigates the purpose and workings of EU competition law and policy: how does the protection of competition promote welfare? It scrutinizes the claim that sustainable consumption and production (SCP) requires flexible rather than strict enforcement of Article 101 TFEU. Flexible...

This article investigates the purpose and workings of EU competition law and policy: how does the protection of competition promote welfare? It scrutinizes the claim that sustainable consumption and production (SCP) requires flexible rather than strict enforcement of Article 101 TFEU. Flexible...

This paper explores the optimal law enforcement strategy of a Leviathan government in the presence of organized crime. The government is considered too weak to prevent an upsurge in crime, so it allows the mafia to generate a positive payoff by extracting rents in the shadow economy. From a...

We investigate cartelists’ merger behavior using European Commission (EC) cartel decisions over a 28-year span and information on cartelists’ merger activities over the last 30 years. We find that mergers occur frequently. But they cluster in a few particular industries and usually include...

We investigate cartelists' merger behavior using European Commission (EC) cartel decisions over a 28-year span and information on cartelists' merger activities over the last 30 years. We find that mergers occur frequently but that they cluster in a few particular industries and usually include...

We estimate a structural model of borrowing and lending in the illegal money lending market using a unique panel survey of 1,090 borrowers taking out 11,032 loans from loan sharks. We use the model to evaluate the welfare effects of alternative law enforcement strategies. We find that a large...