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Three Theorems on Growth and Competition

Authors: Arnold, Lutz G.; Bauer, Christian J.;

Three Theorems on Growth and Competition

Abstract

This paper proves three theorems on growth and competition in a standard increasing variety endogenous growth model and draws conclusions for second-best competition policies. First, no growth may be better than some growth, since modest positive growth potentially requires sizeable static welfare losses. Second, the economy may converge to a steady state with zero growth, even though another (saddle-point stable) steady state with positive growth exists if the initial share of "cheap" competitive markets is sufficiently high, as this implies a relatively low demand for "expensive" innovative goods. Third, such a "no-growth trap" may happen in a world economy made up of several countries engaged in free trade with each other. As for competition policy, this implies that growth-enhancing policies maybe misguided and that quick deregulation as well as quick trade liberalization can lead to stagnation in the long term. In diesem Papier werden drei Theoreme zu Wachstum und Wettbewerb in einem Standard-Varietäten-Wachstumsmodell bewiesen und Rückschlüsse für zweitbeste Wettbewerbspolitiken gezogen. Erstens kann kein Wachstum besser sein als geringes Wachstum, weil auch geringe positive Wachstumsraten möglicherweise beträchtliche statische Wohlfahrtsverluste erfordern. Zweitens kann die Ökonomie gegen einen Steady State mit Null-Wachstum konvergieren obwohl ein anderer (sattelpunkt-stabiler) Steady State mit positivem Wachstum existiert, wenn der anfängliche Anteil "billiger", kompetitiver Märkte hinreichend groß ist, da dies eine relativ geringe Nachfrage nach "teueren", innovativen Produkten impliziert. Drittens kann eine solche "Null-Wachstumsfalle" in einer Welt-Ökonomie auftreten, die aus mehreren Ländern besteht, die untereinander durch freien Handel verbunden sind. Für die Wettbewerbspolitik folgt, dass wachstumsfördernde Maßnahmen möglicherweise fehlgeleitet sein können und schnelle Deregulierung und schnelle Handelsliberalisierung potentiell zu langfristiger Stagnation führen können.

Keywords

O31, O34, 330 Wirtschaft, F15, O41, F43, Endogenes Wirtschaftswachstum , Wettbewerb , Deregulierung, Armutsfalle , Handelsliberalisierung, endogeneous growth , competition , deregulation , poverty trap , trade liberalization

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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