The Monetary Authority of Singapore (MAS) conducts policy by adjusting the Singapore dollarfs effective exchange rate so as to achieve macroeconomic goals for the economyfs inflation rate and output gap. Estimates of a policy rule of the Taylor type, except with exchange rate appreciation serving as the instrument/indicator variable, substantiate this interpretation. That this rule reflects policy that is much like inflation targeting is evidenced by the absence of any significant role for the real exchange rate as a distinct target variable in addition to inflation and the output gap. Simulations with a dynamic model of a small open economy illustrate that this type of rule can be relatively more advantageous in economies that (like Singapore) are extremely open to international trade. The analysis illustrates that monetary policy and exchange-rate policy are two sides of the same coin, which suggests that assignment of exchange-rate management to a nationfs fiscal authority is an anachronism.
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Paper provided by Institute for Monetary and Economic Studies, Bank of Japan in its series IMES Discussion Paper Series with number
07-E-010.
Find related papers by JEL classification: E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies F31 - International Economics - - International Finance - - - Foreign Exchange F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
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