Google is supposed to be the dominant player in most search markets around the world. But what is a search market? To calculate a market share of 90% or more, it has to be clear what the denominator is: Does the search market also include product search and therefore Amazon and eBay or the...

The paper is dedicated to the answer of the unresolved question since the turning 1989 whether the popular for their advantages joint ventures manifest in Bulgaria one of their most important disadvantages, namely the realization of the two main types of infringements of competition –...

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...

Studie zu Dispozinsen / Ratenkrediten Aktenzeichen: 514-06.01-2810HS034 Laufzeit 8/2011 – 5/2012 - Zusammenfassung – In Deutschland verfügen etwa 80 Prozent der Haushalte über einen Dispositionskredit. Bei beträchtlicher Variation liegt der eingeräumte Kreditrahmen bei knapp dem 3-fachen...

It is well-known that a monopolist cannot commit to offer a high-quality contract to a consumer reading costs are positive. This paper shows that this also holds in a competitive environment with consumer heterogeneity if the contract space is unrestricted. If firms can offer standardized...

The purpose of this paper is the following: firstly, to chart how much economic reform of CEE electricity industries has taken place to date; secondly, to discuss why progress has been so limited; and, thirdly, to consider the prospects over the next few years. In charting the economic progress to...

This note provides sufficient conditions for immediate agreement in an extensive form model of interdependent bilateral bargaining. The model is suggested by Björnerstedt and Stennek (2006) as a work horse for studying bilateral oligopoly. The key feature of this model is that the firms are...

This paper provides a conceptual framework of multilateral bargaining in a bilaterally oligopolistic industry to analyze the motivations for horizontal mergers, technology choice, and their welfare implications. We first analyze the implication of market structure for the distribution of...

In 1989, the United Kingdom Monopolies and Mergers Commission (MMC) recommended measures that eventually led brewers to divest themselves of 14000 public houses. The MMC claimed that their recommendations would lower retail prices and increase consumer choice. Since that time, however, retail...

In many intermediate goods markets buyers and sellers both have market power. Contracts are usually long-term and negotiated bilaterally, codifying many elements in addition to price. We model such bilateral oligopolies as a set of simultaneous Rubinstein-Ståhl bargainings between pairs of...