Stagflation, persistent unemployment and the permanence of economic shocks

Karl Brunner*, Alex Cukierman, Allan H. Meltzer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

When changes occur, people do not know how long they will persist. Using a simple stochastic structure that incorporates temporary and permanent changes in an augmented IS-LM model, we show that rising prices and rising unemployment — stagflation is likely to follow a large permanent reduction in productivity. All markets clear and all expectations are rational. People learn gradually the permanent values which the economy will reach following a permanent shock and gradually adjust anticipations. In our model, optimally perceived permanent values take the form of a Koyck lag of past observations.

Original languageEnglish
Pages (from-to)467-492
Number of pages26
JournalJournal of Monetary Economics
Volume6
Issue number4
DOIs
StatePublished - 1980

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