This paper provides an empirical analysis how tariff diversity aspects fixed-line broad-band uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broad-band tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling...

This paper analyzes a sequential game where firms decide about outsourcing the production of a non-specific input good to an imperfectly competitive input market. We apply the taxonomy of business strategies introduced by Fudenberg and Tirole (1984) to characterize the different equilibria. We...

This paper examines the consequences of introducing mobile number portability (MNP). As MNP allows consumers to keep their telephone number when switching providers, it reduces consumers’ switching costs. However, MNP may also cause consumer ignorance if telephone numbers no longer identify...

This paper examines how different unionisation structures affect firms' innovation incentives and industry employment. We distinguish three modes of unionisation with increasing degree of centralisation: (1) "Decentralisation" where wages are determined independently at the firm-level, (2)...

In this paper we apply standard cartel theory to identify the major institutional stabilizers of Germany's area tariff system of collective bargaining between a single industry union and the industry's employers association. Our cartel analysis allows us to demonstrate that recent labor policy...

Das Papier zeigt, dass die seit Jahrzehnten andauernde Klagen wissenschaftlich tätiger Ökonomen,dass Öffentlichkeit und Politik nicht genug auf Ergebnisse der ökonomischen Forschung hören,zumindest für Deutschland im Quervergleich zu anderen Wissenschaften in Bezug auf das...

Frontmatter -- Inhalt -- Die Ökonomik von Sport, Entertainment und Medien – ein Thema für das Forschungsseminar Radein? -- Teil I: Sportmärkte -- Zur Vergabe der Medienrechte in der Fußball-Bundesliga -- Ökonomische Fragen der Talentförderung im Fußball: Theorie, Praxis und empirische...