La dynamique des guerres commerciales

Didier Laussel () and Christian Montet

Revue Économique, 1995, vol. 46, issue 3, 911-919

Abstract: [eng] Dynamic trade wars . The trade war between two countries, first studied by Johnson, is analyzed here as an alternative move game as has been done by Maskin and Tirole [1987] for oligopoly. We show that there exists a unique stable steady state when the countries use linear strategies. The common steady state value of the tariff equals its value at the static Nash equi- librium when the discount factor is zeroand is strictly increasing function of this discount factor. [fre] La « guerre commerciale » à la Johnson entre deux pays est ici analysée comme un jeu à mouvements alternatifs à la manière de Maskin et Tirole [1987] pour l'oligopole. On montre qu'il existe un état régulier stable et unique lorsque les deux pays utilisent des stratégies linéaires. La valeur d'état régulier du tarif, valeur identique pour les deux pays, correspond à sa valeur à l'équilibre de Nash statique non coopératif lorsque le coefficient d'actualisation est nul et est ensuite une fonction strictement croissante de ce coefficient.

Date: 1995
Note: DOI:10.3406/reco.1995.409705
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