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Wie vorteilhaft ist internationaler Handel?: Ein neuer Ansatz zur Vermessung der Gewinne

Author

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  • Kohler Wilhelm

    () (Eberhard-Karls-Universität TübingenFachbereich Wirtschaftswissenschaft, Internationale WirtschaftsbeziehungenD-72074 TübingenMohlstraße 36Germany)

  • Jung Benjamin

    () (Universität HohenheimFachgebiet VolkswirtschaftslehrD-70593 StuttgartSchloss 1CGermany)

Abstract

Die moderne Handelstheorie hat in den vergangenen fünf Jahren einen neuen Ansatz zur Quantifizierung der Vorteile aus internationalem Handel hervorgebracht, die „neue quantitative Handelstheorie“. Benjamin Jung und Wilhelm Kohler beleuchten die besonderen Vorteile, aber auch die Grenzen dieses neuen Ansatzes. Sie konzentrieren sich auf die darin verwendete neue Wohlfahrtsformel, erklären diese für verschiedene Modellvarianten intuitiv und wenden sie auf den Vergleich zwischen Autarkie und aktuell beobachteter Situation an. Dabei betonen sie den Unterschied zwischen tarifären Handelshemmnissen (Importzöllen) und realen Handelskosten, die zum Beispiel durch internationale Regulierungsunterschiede entstehen können. Jung und Kohler kontrastieren diesen Anwendungsfall mit dem Fall der Handelsliberalisierung, in dem ausgehend von einer historisch gegebenen Situation die Handelsbarrieren reduziert werden. Die Anwendung der Wohlfahrtsformel wird in diesem Fall durch das Erfordernis erschwert, die für den Wohlfahrtseffekt wichtigen endogenen Größen für einen nichttrivialen kontrafaktischen Zustand mit geringeren Handelsbarrieren zu berechnen. Die Autoren stellen dabei die unilaterale der multilateralen Liberalisierung gegenüber. Sie präsentieren Ergebnisse für hypothetische Szenarien und berichten über neue Literatur, in der die neue quantitative Handelstheorie auch zur Berechnung der Wohlfahrtswirkungen von tatsächlichen oder konkret geplanten Handelsliberalisierungen Anwendung gefunden hat.

Suggested Citation

  • Kohler Wilhelm & Jung Benjamin, 2017. "Wie vorteilhaft ist internationaler Handel?: Ein neuer Ansatz zur Vermessung der Gewinne," Perspektiven der Wirtschaftspolitik, De Gruyter, vol. 18(1), pages 32-55, April.
  • Handle: RePEc:bpj:pewipo:v:18:y:2017:i:1:p:32-55:n:2
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    References listed on IDEAS

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    More about this item

    Keywords

    D58; D60; F11; F12; F14; F60; Internationaler Handel; Handelsliberalisierung; neue quantitative Handelstheorie;
    All these keywords.

    JEL classification:

    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • D60 - Microeconomics - - Welfare Economics - - - General
    • F11 - International Economics - - Trade - - - Neoclassical Models of Trade
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • F60 - International Economics - - Economic Impacts of Globalization - - - General

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