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Consumption heterogeneity and monetary policy in an open economy

Author

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  • Chen, Sihao
  • Devereux, Michael B.
  • Shi, Kang
  • Xu, Juanyi

Abstract

We incorporate two types of agents (Ricardian versus Keynesian) into a standard open economy macro model. We find that consumption heterogeneity has major implications for the impact of monetary policy shocks, the international transmission mechanism, and the design of optimal monetary policy. With sticky prices, the existence of Keynesian agents causes a spillover of shocks across countries, and leads to the interdependence of optimal monetary targeting rules. In the case of local currency pricing, consumer heterogeneity leads an optimal monetary policy to generate currency misalignment and deviations from the law of one price. Theoretically, there are ranges of household heterogeneity in which monetary policy becomes ineffective, but this depends sensitively on the interaction of aggregate demand and relative price effects.

Suggested Citation

  • Chen, Sihao & Devereux, Michael B. & Shi, Kang & Xu, Juanyi, 2023. "Consumption heterogeneity and monetary policy in an open economy," Journal of Monetary Economics, Elsevier, vol. 140(C), pages 1-15.
    • Handle: RePEc:eee:moneco:v:140:y:2023:i:c:p:1-15
    DOI: 10.1016/j.jmoneco.2023.07.001
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    Keywords

    Tank model; Monetary policy; PCP; LCP; Consumption heterogeneity;
    All these keywords.

    JEL classification:

    • F3 - International Economics - - International Finance
    • F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance

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