Recent empirical studies suggest that there is a rising trend of market power across sectors in advanced economies. We contribute to this line of research by providing industry-specific evidence for German manufacturing industries, based on representative high-quality firm level data from...

We report a policy experiment that illustrates a potential problem of using historical pass-through rates as a means of predicting the competitive consequences of projected firm-specific cost savings in antitrust contexts, particularly in merger analysis. The effects of cost savings on welfare...

Microsoft v. Commission indicates a shift in competition policy at the expense of protections for intellectual property. The case applies "essential facilities" arguments to Microsoft's server operating system and "tying" arguments to its Windows Media Player. The dynamic effects of Microsoft v....

We report a policy experiment that illustrates a potential problem of using historical pass-through rates as a means of predicting the competitive consequences of projected firm-specific cost savings in antitrust contexts, particularly in merger analysis. The effects of cost savings on welfare...

In this thesis, I have examined whether the current approach to competition policy is suitable for the distinct characteristics of the digital economy. It is particularly difficult to define the relevant market and rely on market share test as a proxy for market power in the digital economy...

Dieser Beitrag thematisiert die ökonomische Macht von Unternehmen in Österreich und stellt die Frage, ob diese - wie auch in anderen OECD-Ländern - zugenommen hat. Konzeptuell wird eine neuartige Differenzierung zwischen ökonomischer und politischer Macht sowie zwischen Marktmacht im engeren...

I revisit the relation between aftermarket power and basic market competition. I consider an infinite period model with overlapping consumers: in each period, one consumer is born and joins one of the existing installed bases, then aftermarket payoffs are received by sellers and consumers, then...

I revisit the issue of aftermarkets by developing an infinite period model with overlapping consumers. If the aftermarket is characterized by constant returns to scale, then social surplus and consumer surplus are invariant with respect to aftermarket power. Under increasing returns to scale,...