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Price rigidity, the mark–up, and the dynamics of the current account

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  • Giovanni Lombardo

Abstract

The degree of competition affects the current account response to nominal shocks. The mechanism hinges on the relationship between the mark–up and the degree of real rigidity of prices. In a model with intermediate goods, the degree of real rigidity increases in the mark–up. A weaker response of prices to nominal shocks strengthens the ‘expenditure switching’ effect of the devaluation to the benefit of the current account. We analyse the relationship between the mark–up and the real rigidity in a simple closed economy model and show numerically how the mark–up can affect the response of the current account to monetary shocks in an open economy. JEL Classification: F32, E32 Rigidité des prix, marges bénéficiaires et la dynamique du compte courant. Ce mémoire montre que le degré de concurrence affecte la réaction du compte courant aux chocs nominaux. Le mécanisme dépend de la relation entre la marge beńéficiaire et le degré de rigidité réelle des prix. Dans un modèle qui prend en compte les biens intermédiaires, le degré de rigidité réelle des prix s’accroît avec la marge bénéficiaire. Une réponse plus faible des prix aux chocs nominaux renforce l’effet de « déplacement de la dépense » de la dévaluation au bénéfice du compte courant. On analyse d’abord la relation entre la marge bénéficiaire et la rigidité réelle des prix dans un modèle simple d'économie fermée. On montre ensuite en chiffres comment la marge bénéficiaire peut affecter la réaction du compte courant aux chocs monétaires.

Suggested Citation

  • Giovanni Lombardo, 2002. "Price rigidity, the mark–up, and the dynamics of the current account," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 35(3), pages 531-555, August.
  • Handle: RePEc:wly:canjec:v:35:y:2002:i:3:p:531-555
    DOI: 10.1111/1540-5982.00144
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    More about this item

    JEL classification:

    • F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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