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Expectations, Deflation Traps and Macroeconomic Policy

George Evans () and Seppo Honkapohja ()

No 7397, CEPR Discussion Papers from C.E.P.R. Discussion Papers

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 (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 pushing interest rates to the zero lower bound, temporary increases in government spending can be used to insulate the economy from deflation traps.

Keywords: Adaptive Learning; Fiscal Policy; Monetary Policy; Zero Interest Rate Lower Bound (search for similar items in EconPapers)
JEL-codes: E52 E58 E63 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
Date: 2009-08
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Working Paper: Expectations, Deflation Traps and Macroeconomic Policy (2010) Downloads
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