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Labour Markets and Monetary Policy: A New Keynesian Model with Unemployment

Olivier Blanchard () and Jordi Gali ()

No 6765, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We construct a utility-based model of fluctuations, with nominal rigidities and unemployment, and draw its implications for the unemployment-inflation trade-off and for the conduct of monetary policy. We proceed in two steps. We first leave nominal rigidities aside. We show that, under a standard utility specification, productivity shocks have no effect on unemployment in the constrained efficient allocation. We then focus on the implications of alternative real wage setting mechanisms for fluctuations in unemployment. We show the role of labour market frictions and real wage rigidities in determining the effects of productivity shocks on unemployment. We then introduce nominal rigidities in the form of staggered price setting by firms. We derive the relation between inflation and unemployment and discuss how it is influenced by the presence of labour market frictions and real wage rigidities. We show the nature of the trade-off between inflation and unemployment stabilization, and its dependence on labour market characteristics. We draw the implications for optimal monetary policy.

Keywords: Labour market frictions; New Keynesian Model; real wage rigidities; search model; sticky prices; unemployment (search for similar items in EconPapers)
JEL-codes: E32 E50 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-ltv and nep-mac
Date: 2008-03
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Related works:
Journal Article: Labor Markets and Monetary Policy: A New Keynesian Model with Unemployment (2010) Downloads
Working Paper: Labor Markets and Monetary Policy: A New-Keynesian Model with Unemployment (2008) Downloads
Working Paper: Labor markets and monetary policy: A new-Keynesian model with unemployement (2008) Downloads
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