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Foreign Exchange Intervention Redux

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  • Roberto Chang

Abstract

Received wisdom posits that sterilized foreign exchange intervention can be effective by altering the currency composition of assets held by the public. This paper proposes an alternative channel: sterilized intervention may (or may not) have real effects because it changes the net credit position of the central bank vis a vis financial intermediaries, thereby affecting external debt limits. This argument is developed in the context of an open economy model with domestic banks subject to occasionally binding collateral constraints. Intervention has real effects if and only if it occurs when the constraints bind; at such times, a sterilized sale of official reserves relaxes the constraints by reducing the central bank's debt to domestic banks, freeing resources for the latter to increase the supply of credit to domestic agents. The analysis yields several noteworthy implications for intervention policy, official reserves accumulation, and the interaction between intervention and monetary policy.

Suggested Citation

  • Roberto Chang, 2018. "Foreign Exchange Intervention Redux," NBER Working Papers 24463, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:24463
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    1. Jaromir Benes & Andrew Berg & Rafael Portillo & David Vavra, 2015. "Modeling Sterilized Interventions and Balance Sheet Effects of Monetary Policy in a New-Keynesian Framework," Open Economies Review, Springer, vol. 26(1), pages 81-108, February.
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    More about this item

    JEL classification:

    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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