Optimal exchange-rate policy in a low interest rate environment

Robert Pavasuthipaisit

Journal of the Japanese and International Economies, 2009, vol. 23, issue 3, 264-282

Abstract: This paper examines optimal monetary policy with an explicit zero lower bound in a small open-economy model. The paper finds that the gains from commitment are increasing in the openness of the economy while the optimal rate of inflation is decreasing in the openness of the economy. These results imply that the main findings of Adam and Billi (2007) for a closed-economy model are also true for an open-economy model. Finally, the paper finds that the effectiveness of the exchange-rate channel as a stabilization tool in the low interest rate environment depends on whether the central bank can make a credible commitment. If the central bank cannot commit and makes monetary-policy decisions on a discretionary basis, the optimal path of the nominal exchange rate will exhibit an appreciation, rather than depreciation as suggested in the literature.

Keywords: Zero; lower; bound; Liquidity; trap; Exchange-rate; policy; Open-economy; macroeconomics (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jjieco:v:23:y:2009:i:3:p:264-282

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