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Monetary Policy in Small Open Economies: The Role of Exchange Rate Rules

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  • Ana Maria Santacreu

Abstract

Understanding the costs and benefits of alternative monetary policy rules is important for economic welfare. Within the context of a small open economy model and building on the work of Mihov and Santacreu (2013), the author analyzes the economic implications of two monetary policy rules. The first is a rule in which the central bank uses the nominal exchange rate as its policy instrument and adjusts the rate whenever there are changes in the economic environment. The second is a standard interest rate rule in which the central bank adjusts the short-term nominal interest rate to changes in the economic environment. The main finding of the analysis is that, if the uncovered interest parity condition that establishes a tight link between the interest rate differential in two countries and the expected rate of depreciation of their currencies does not hold, the exchange rate rule outperforms the standard interest rate rule in lowering the volatility of key economic variables. There are two main reasons for this: First, the actual implementation of the exchange rate rule avoids the overshooting effect on exchange rates characteristic of an interest rate rule. And second, the risk premium that generates deviations from the uncovered interest parity condition is smaller and less volatile under an exchange rate rule.

Suggested Citation

  • Ana Maria Santacreu, 2015. "Monetary Policy in Small Open Economies: The Role of Exchange Rate Rules," Review, Federal Reserve Bank of St. Louis, vol. 97(3), pages 217-232.
    • Handle: RePEc:fip:fedlrv:00044
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    References listed on IDEAS

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    1. Abel, Andrew B, 1990. "Asset Prices under Habit Formation and Catching Up with the Joneses," American Economic Review, American Economic Association, vol. 80(2), pages 38-42, May.
    2. Benigno, Gianluca & Benigno, Pierpaolo & Nisticò, Salvatore, 2013. "Second-order approximation of dynamic models with time-varying risk," Journal of Economic Dynamics and Control, Elsevier, vol. 37(7), pages 1231-1247.
    3. Ana Santacreu & Ilian Mihov, 2013. "Exchange rates as an instrument of monetary policy," 2013 Meeting Papers 773, Society for Economic Dynamics.
    4. Fernando Alvarez & Andrew Atkeson & Patrick J. Kehoe, 2009. "Time-Varying Risk, Interest Rates, and Exchange Rates in General Equilibrium," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 76(3), pages 851-878.
    5. Mr. Eric Parrado, 2004. "Singapore's Unique Monetary Policy: How Does it Work?," IMF Working Papers 2004/010, International Monetary Fund.
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    Cited by:

    1. Yang, Sheng-Ping, 2017. "Exchange rate dynamics and stock prices in small open economies: Evidence from Asia-Pacific countries," Pacific-Basin Finance Journal, Elsevier, vol. 46(PB), pages 337-354.
    2. Ana Santacreu & Ilian Mihov, 2013. "Exchange rates as an instrument of monetary policy," 2013 Meeting Papers 773, Society for Economic Dynamics.
    3. Parrado, Eric, 2023. "An Exchange Rate Policy Rule," IDB Publications (Working Papers) 13347, Inter-American Development Bank.
    4. Yoshino, Naoyuki & Kaji, Sahoko & Asonuma, Tamon, 2016. "Exchange rate regime switching in Malaysia and Singapore in response to China’s move to a basket peg: A DSGE analysis," Journal of Asian Economics, Elsevier, vol. 46(C), pages 17-37.
    5. Michael S. Lee-Browne, 2019. "Estimating monetary policy rules in small open economies," Working Papers 2019-002, The George Washington University, Department of Economics, H. O. Stekler Research Program on Forecasting.

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    More about this item

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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