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...

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...

Empirical evidence strongly suggests that R&D increases a firm's “absorptive capacity” (its ability to absorb spillovers from other firms) as well as contributing directly to profitability. We explore the theoretical implications of this. We specify a general model of the absorptive capacity...

As the process of globalisation of the world economy progresses, the degree of international competition among enterprises increases as well. Yet not all industries or branches are affected to the same extent by this development. One of the most important factors which determine the degree of...

The globalisation of the world economy increases international competition among companies. However, not all industries will be affected by the same extent. The degree of globalisation of an industry will be particularly influenced by the level of transaction costs. Low transaction costs will...

There is a growing trend to widespread privatisation of crop breeding, and there are groundsfor expecting this trend to continue and even to accelerate. Possible consequences forAustralian grain growers and the national interest of much greater private sector involvementin plant breeding are...

In dieser Arbeit wird eine wettbewerbspolitische Beurteilung der Zusammenarbeit von Wettbewerbern in Form von Querlieferungen vorgenommen und der Einfluß von Information, Produktion und Kapazität auf Marktstruktur und Wettbewerb analysiert. In drei spieltheoretischen Modellen werden die...