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1. Imperfect Common Knowledge and the Effects of Monetary Policy

Woodford, Michael·2003·Knowledge, Information, and Expectations in Modern Macroeconomics

Abstract

This paper reconsiders the Phelps-Lucas hypothesis, according to which temporary real effects of purely nominal disturbances result from imperfect information, but departs from the assumptions of Lucas (1973) in two crucial respects.Due to monopolistically competitive pricing, higher-order expectations are crucial for aggregate inflation dynamics, as argued by Phelps (1983).And decisionmakers' subjective perceptions of current conditions are assumed to be of imperfect precision, owing to finite information processing capacity, as argued by Sims (2001).The model can explain highly persistent real effects of a monetary disturbance, and a delayed effect on inflation, as found in VAR studies.

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Metadata

Authors
Woodford, M.
Venue
Knowledge, Information, and Expectations in Modern Macroeconomics
Published
2003-12-31
Pages
23-58
OpenAlex
W3139660598
Cited by
187
References
2
FWCI
14.73
Type
book chapter
Language
en
Open access
closed

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CoChat. (2026). Citation check: 1. Imperfect Common Knowledge and the Effects of Monetary Policy. https://app.cochat.ai/papers/10.1515/9780691223933-004
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Woodford, M. (2003). 1. Imperfect Common Knowledge and the Effects of Monetary Policy. Knowledge, Information, and Expectations in Modern Macroeconomics. https://doi.org/10.1515/9780691223933-004

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