Expectations, Deflation Traps and Macroeconomic Policy
38 Pages Posted: 28 Nov 2009
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Expectations, Deflation Traps and Macroeconomic Policy
Expectations, Deflation Traps and Macroeconomic Policy
Date Written: November 25, 2009
Abstract
We examine global economic dynamics under infinite-horizon learning in a New Keynesian model in which the interest-rate rule is subject to the zero lower bound. As in Evans, Guse and Honkapohja, European Economic Review (2008), we find that under normal monetary and fiscal policy the intended steady state is locally but not globally stable. Unstable deflationary paths can arise after large pessimistic shocks to expectations. For large expectation shocks that push interest rates to the zero lower bound, temporary increases in government spending can effectively insulate the economy from deflation traps.
Keywords: adaptive learning, monetary policy, fiscal policy, zero interest rate lower bound
JEL Classification: E63, E52, E58
Suggested Citation: Suggested Citation
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