We examine the pricing trends in the online toy markets by using panel data regression models with error components and serial correlation. Our results indicate that both online branch of multi-channel retailers (OBMCRS) and dotcoms charge similar prices on average, and that over time their...

This paper formalizes an empirically implementable framework for the definition of local antitrust markets in retail markets. This framework rests on a demand model that captures the trade-off between distance and pecuniary cost across alternative shopping destinations within local markets. The...

While several plots of the aggregate age distribution suggest that firm age is exponentially distributed, we find some departures from the exponential benchmark. At the lower tail, we find that very young establishments are more numerous than expected, but they face high exit hazards. At the...

We propose that the effect of market concentration on firm survival is different according to whether an industry is static (low entry and exit) or dynamic. In our empirical analysis we find support for this hypothesis. Industry concentration rates reduce the survival of new plants but only in...

Some path-breaking work on mergers takes efficiency gains for granted, or assumes that firms have perfect knowledge when taking merger decisions. In practice, firms and competition authorities cannot know exact future efficiency gains, prior to merger consummation. This paper analyzes horizontal...

Antitrust issues increasingly reach beyond national borders. This paper addresses the question whether such issues can reasonably be solved by an extraterritorial application of national competition law or whether they call for an international competition policy of its own. The analysis is...

A general theoretical and empirical framework is developed for assessing the potential of a vertically integrated firm to foreclose downstream competitors. Using this framework a policymaker may also evaluate the empirical welfare effects from a vertically integrated firm raising rivals' costs....

Im Mittelpunkt dieses Beitrags steht eine Analyse des kalifornischen Strommarktdebakels und der Lehren aus den dortigen Ereignissen. Das Papier geht auf die Entwicklung der Märkte ein und zeigt die Gründe für das Scheitern des kalifornischen Übergangsmodells auf. Die Analyse zeigt, dass es...

This paper aims at describing the choices to be made in selecting and implementing a reform model for the electricity industry and to derive some implications for the situation in Kosovo. The paper argues that the appropriate reform model depends on the circumstances in the considered...

In diesem Papier werden die in Kumkar (1999) gewonnene Erkenntnisse hinsichtlich der komparativen Vorteile alternativer Liberalisierungsmodell für die Stromwirtschaft auf die deutsche Situation übertragen. Ziel ist die Erarbeitung von Empfehlungen für die weitere wettbewerbliche Neuordnung...