Accessible Requires Authentication Published by De Gruyter April 29, 2020

Sektorübergreifende Konzentrations- und Margenzunahme: Bestandsaufnahme, Ursachen und Folgen

Achim Wambach and John P. Weche

Zusammenfassung

Achim Wambach und John Weche liefern einen Überblick über den Forschungsstand zur Frage, ob die Wettbewerbsintensität auf Märkten sektorübergreifend abnimmt und was die möglichen Ursachen und Auswirkungen sind. Dabei zeigt sich, dass sich Unternehmenskonzentration und Preisaufschläge in Deutschland und Europa ganz anders entwickeln als in Amerika. Während beide Kennzahlen in den Vereinigten Staaten deutlich angestiegen sind, ist die Entwicklung in Deutschland und Europa weit moderater. Es liegen derzeit allerdings noch zu wenige Studien vor, als dass man robuste stilisierte Fakten zur sektorübergreifenden Wettbewerbsentwicklung ableiten könnte. Nicht nur aus wettbewerbspolitischer Perspektive sollten die bisherigen Forschungsergebnisse jedoch Grund zur Wachsamkeit sein: Wenn die Wettbewerbsintensität marktübergreifend abnähme, stünde auch die Grundlage der vorherrschenden Wirtschaftsordnung in Frage.

Abstract

Achim Wambach and John Weche provide an overview of the state of research regarding a cross-sectoral decrease of competition as well as possible causes and effects. The evolution of business concentration and price mark-ups in Germany and Europe appears to differ significantly from the United States. While both indicators have increased significantly in the US, the development in Germany and Europe is far more moderate. However, there are currently too few studies available to derive robust stylized facts on the cross-sectoral development of competition. Not only from the perspective of competition policy, however, the research findings to date should be reason for vigilance: A decline in the intensity of competition across markets would also call into question the basis of the prevailing economic order.

JEL-Klassifikation: D4; E2; L1

Danksagung

Wir danken David Benček, Bernhard Ganglmair und Fabienne Rasel für hilfreiche Anmerkungen.

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Online erschienen: 2020-04-29
Erschienen im Druck: 2020-07-02

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