Showing 1 - 9 of 9
This paper analyses the extent of inter-format retail competition between supermarkets, discounters and drugstores in Germany, using data from the German market for diapers. We estimate a random coefficient logit model at the individual household level. Based on consumer substitution patterns,...
Persistent link: https://www.econbiz.de/10010227408
Der vorliegende Beitrag befasst sich mit aktuellen Wettbewerbsproblemen im deutschen Lebensmitteleinzelhandel. Im Mittelpunkt der Analyse stehen der zunehmende Konzentrationsprozess und seine Determinanten. Darauf aufbauend diskutieren wir Aspekte der Marktabgrenzung insbesondere im Hinblick auf...
Persistent link: https://www.econbiz.de/10010210425
Katz (1987), DeGraba (1990), and Yoshida (2000) have formulated theories that price discrimination bans in intermediary goods markets tend to have positive effects on allocative, dynamic and productive efficiency, respectively. We show that none of these results is robust vis-à-vis endogenous...
Persistent link: https://www.econbiz.de/10009757897
We re-examine the view that a ban on price discrimination in input markets is particularly desirable in the presence of buyer power. This argument crucially depends on an inverse relationship between downstream firms' profits and the uniform input price. Assuming different input efficiencies...
Persistent link: https://www.econbiz.de/10010414771
Given various recent antitrust investigations on the retail sector, we deal with uncovering demand systems substitution patterns for a particular market (diapers) to investigate the inter-format competition (supermarkets vs. discounters vs. drugstores). Using the uncovered demand system we...
Persistent link: https://www.econbiz.de/10010434293
Kaum eine ordnungspolitische oder regulatorische Frage hat in der deutschen Telekommunikationsbranche wohl in den letzten Jahren für so viel Aufruhr gesorgt, wie die Einführung des neuen §9a in das Telekommunikationsgesetz (TKG). Die neue Vorschrift sieht vor, dass die Bundesnetzagentur...
Persistent link: https://www.econbiz.de/10003554564
This paper discusses the general characteristics of online markets from a competition theory perspective and the implications for competition policy. Three important Internet markets are analyzed in more detail: search engines, online auction platforms, and social networks. Given the high level...
Persistent link: https://www.econbiz.de/10009684662
We examine how different pass-through rates, from input- to final consumer prices, and different vertical contracts affect upstream market definition. Our theory model predicts that, under reasonable conditions, higher pass-through rates lead to definitions of larger upstream markets. Data...
Persistent link: https://www.econbiz.de/10012313781
Persistent link: https://www.econbiz.de/10013264961