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World food prices and monetary policy

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  • Catão, Luis A.V.
  • Chang, Roberto

Abstract

How should monetary policy respond to large fluctuations in world food prices? We study this question in an open economy model in which imported food has a larger weight in domestic consumption than abroad and international risk sharing can be imperfect. A key novelty is that the real exchange rate and the terms of trade can move in opposite directions in response to world food price shocks. This exacerbates the policy trade-off between stabilizing output prices vis a vis the real exchange rate, to an extent that depends on risk sharing and the price elasticity of exports. We characterize implications for dynamics, optimal monetary policy, and the relative performance of practical monetary rules. While CPI targeting and expected CPI targeting can dominate PPI targeting if international risk sharing is perfect, even seemingly mild departures from the latter make PPI targeting a winner.

Suggested Citation

  • Catão, Luis A.V. & Chang, Roberto, 2015. "World food prices and monetary policy," Journal of Monetary Economics, Elsevier, vol. 75(C), pages 69-88.
    • Handle: RePEc:eee:moneco:v:75:y:2015:i:c:p:69-88
    DOI: 10.1016/j.jmoneco.2014.12.010
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    More about this item

    Keywords

    Monetary policy; Small open economy; Real exchange rates; Terms of trade;
    All these keywords.

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E6 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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