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The Butterfly Effect of Small Open Economies

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Author Info
Jarkko Jääskelä (Reserve Bank of Australia)
Mariano Kulish (Reserve Bank of Australia)

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Abstract

The rational expectations equilibrium of a small open economy can be subject to indeterminacy if foreign monetary policy does not satisfy the Taylor principle. We study the implications of foreign-induced indeterminacy for the conduct of monetary policy in a small open economy. In the canonical sticky-price small open economy model, we find that indeterminacy arising in the large economy can increase the volatility of the small economy. Our main finding, however, is that ‘smallness’ is a property of the unique rational expectations equilibrium of the large economy, and not a general property of the small open economy model. If the large economy fails to anchor expectations, shocks to the small economy can affect the large one. This form of indeterminacy gives rise to a ‘butterfly effect’. Additional assumptions are required to preserve the ‘smallness’ of the small economy.

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Paper provided by Reserve Bank of Australia in its series RBA Research Discussion Papers with number rdp2007-06.

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Date of creation: Jun 2007
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Handle: RePEc:rba:rbardp:rdp2007-06

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Related research
Keywords: indeterminacy; small open economy; rational expectations;

Find related papers by JEL classification:
E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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