The European Commission is introducing new regulations on submission and publication of data in electricity markets (SPDEM) and on wholesale energy market integrity and transparency (REMIT). I discuss issues relevant for undertaking an evaluation such regulations. I argue that, for market...

The ubiquitous process of digitization changes economic competition on markets in several ways and leads to the emergence of new business models. The increasing roles of digital platforms as well as data-driven markets represent two relevant examples. These developments challenge competition...

Die Digitalisierung der Wirtschaftsbeziehungen stellt die Wettbewerbspolitik vor erhebliche Herausforderungen. Um diesen zu begegnen, soll das Gesetz gegen Wettbewerbsbeschränkungen (GWB) mit Hilfe der 9. Novelle fit gemacht werden für das digitale Zeitalter. Der vorliegende Beitrag gibt eine...

Asymmetric information in procurement entails double marginalization. The phenomenon is most severe when the buyer has all the bargaining power at the production stage, while it vanishes when the buyer and suppliers’ weights are balanced. Vertical integration eliminates double marginalization...

The European Commission is introducing new regulations on submission and publication of data in electricity markets (SPDEM) and on wholesale energy market integrity and transparency (REMIT). I discuss issues relevant for undertaking an evaluation such regulations. I argue that, for market...

This paper studies consumers' incentives to hide their purchase histories when the seller's prices depend on previous behavior. Through distinct channels, hiding both hinders and facilitates trade. Indeed, the social optimum involves hiding to some extent, yet not fully. Two opposing effects...