East Asian Economic Review

Korea Institute for International Economic Policy (대외경제정책연구원)
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Exchange Rate Pass-through, Nominal Wage Rigidities, and Monetary Policy in a Small Open Economy

  • Received : 2018.07.06
  • Accepted : 2018.09.10
  • Published : 2018.09.30
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Abstract

This paper discusses the design of monetary policy in a New Keynesian small open economy framework by introducing nominal wage rigidities and incomplete exchange rate pass-through on import prices. Three main findings are summarized. First, with the existence of an incomplete exchange rate pass-through and nominal wage rigidities, the optimal policy is to seek to minimize the output gap, the variance of domestic price and wage inflation, as well as deviations from the law of one price. Second, the CPI inflation targeting Taylor rule is welfare enhancing when there is a technological shock to the economy. The exception occurs when there is a foreign income shock, which minimizes welfare losses under the domestic inflation targeting Taylor rule. Last, two stylized Taylor rules turn out to be a bad approximation, but the modified Taylor rules that respond to the unemployment gap rather than the output gap are a closer approximation to the optimal policy.

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References

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