Artículo de revista

This paper examines competition in the liberalized natural gas market. Each .firm has zero marginal cost core capacity, due to long term contracts with take or pay obligations, and additional capacity at higher marginal costs. The market is decentralized and the firms decide which customers to...

We study the effect of encouraging private actions for breaches of competition law. We develop a model in which a plaintiff, who may have private information about whether a breach of law has been committed, decides whether to open a case against a defendant. If opened, the case may be settled...

Wheras non-price restrictions such as exclusive territories are often tolerated while Resale Price Maintenance (RPM) is rather unanimously forbidden, the economic analysis shows so far that both types of restraints have positive and negative effects on welfare, in such a way that the balance is...

Patent thickets, layers of licenses a firm needs to be able to offer products that embody technologies owned by multiple firms, and licensing policies have drawn increasing scrutiny from policy makers. Patent thickets involve complementary products, which gives rise to double marginalization --...

Die vierte Alfred-Weber-Lecture des Instituts für Wirtschaftswissenschaften der Universität Heidelberg hielt am 12. Mai 2009 Prof. Martin Hellwig, Ph.D. zum Thema „Systemische Risiken im Finanzsektor: Eine Analyse der Finanzkrise“.Prof. Martin Hellwig, Ph.D. gilt als einer der...