ENGLISH ABSTRACT: Delineating the relevant product and geographic market is an important first step in competition inquiries,as it permits an assessment of market power and substitutability. Critics often argue that market definitionis arbitrary and increasingly unnecessary, as modern...

I discuss the design and implementation of a SSNIP test in order toidentify the relevant market in a media market. I argue that in such atwo-sided market the traditional SSNIP test cannot be applied as it isusually conceived but rather should be modified in order to take intoaccount indirect...

This paper reviews the basic antitrust standards for the supermarket industry including definition of product and geographic markets and the exercise of coordinated and unilateral market power. It surveys the structure-conduct-performance and the New Empirical Industrial Organization literature...

This paper reviews the basic components of antitrust analysis for the supermarketindustry, including definition of product and geographic markets and the measurementof market power. The analysis of prices and profits in a market structure contextremains important, especially in countries such as...

Die grundlegende Idee dieser Abhandlung liegt in der Vorstellung begründet, dass sich Wettbewerbspolitik nicht auf den Wettkampf konzentrieren sollte. Die traditionelle Vorgehensweise analysiert Wettbewerbsbeschränkungen auf einzelnen Märkten und fordert gegebenenfalls ein...

Diese Dissertation befasst sich mit dem Thema Innovationsökonomik. In einer allgemeinen Einführung werden wettbewerbspolitische Gesichtspunkte, die Innovationsanreize von Firmen beeinflussen, dargestellt. In drei einzelnen Arbeiten werden dann spezielle Fragestellungen intensiver...

We study a retail benchmarking approach to determine access prices forinterconnected networks. Instead of considering fixed access charges asin the existing literature, we study access pricing rules that determinethe access price that network i pays to network j as a linear functionof the...

[Introduction]. The following essay analyses how the industrial relations actors of the German and French automotive industry, exemplified with particular reference to Volkswagen and Renault, mediate the pressure which has been induced through the increasing globalisation of production...

The Commission's general approach with regard to competitiveness is inspired by the 1990 Communication (Bangeman I), the White Paper (Growth, Competitiveness, and Employment) of December 1993 and the 1994 Communication (Bangeman II). The European Commission has repeatedly stressed the need to...

This paper examines European public research and development (R&D) subsidies that support precompetitive development (PCD), which is R&D up to and including a prototype. The research seeks to determine How effective these subsidies have been and whether European practice has been influenced by...