This paper examines the causes and effects of mobile number portability (MNP) and provides a survey of its implementation in Europe. It first examines the competitive effects and costs of introducing MNP. Next, it discusses how to charge for MNP. It argues that a price cap regime starting from...

This paper estimates demand elasticities for Turkish mobile telecommunications markets. In contrast to most other studies, firm-level data is used to estimate dynamic panel data models including instrumental variable techniques. Both short- and long-run elasticities are calculated, yielding a...

Die Kompetenzen der EU-Kommission im Vergleich zu den Nationalstaaten im Bereich der Telekommunikationsmärkte haben sich deutlich zugunsten der EU verschoben. Wo liegen die Vor- und Nachteile einer weiteren Zentralisierung? Können die Verwaltungskompetenzen zwischen der EU-Kommission und den...

Die Monopolkommission legte kürzlich ihr zweites Sondergutachten über die Wettbewerbsentwicklung bei der Telekommunikation und der Post vor. Welches sind ihre Empfehlungen für den Telekommunikationsbereich? Wie sind sie zu bewerten?

This article summarises some of the most important works of Jean Tirole, the first economist in more than 30 years — following George Stigler in 1982 — to win the Nobel Prize for his work in industrial economics. The article argues that Jean Tirole has revolutionised the field of industrial...

The “FAZ Economists Ranking”, which considers not only economists’ research output but also their political and public influence, shows that there are very few economists currently doing research that has been taken up widely in the research community, in the media and by policy makers....

type="main" xml:id="ecin12079-abs-0001" <title type="main">Abstract</title> Alcohol consumption tends to make some people (unwillingly) tell the truth, hence social drinking can serve as a signal in social contact games. We provide empirical evidence which shows that social drinking can serve as a trust facilitating...

The Europeanization of energy policies is desirable because the three main objectives of energy policy (climate protection, security of supply and competitiveness) have cross-border impacts. Hence, it is good that the European Union has been granted a competence for energy policy in the article...

Dieser Beitrag fasst die Ergebnisse unserer industrieökonomischen, theoretischen Forschung zur Fragestellung von Stabilität und Wandel von Arbeitsmarktinstitutionen zusammen. Wir verfolgen dabei einen wettbewerbsökonomischen Forschungsansatz, der Marktmacht sowohl auf Arbeits- als auch auf...

This paper explores how consumers react towards price differentiation between on-net and off-net calls in mobile telecommunications - a pricing policy that is common in many mobile telecommunications markets. Based on a survey of 1044 students we demonstrate that some consumers may suffer from a...