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Optimal Policy and the Sectoral Composition of Output in a New Keynesian Model

Vahagn Galstyan and Michael Wycherley ()
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Michael Wycherley: Institute for International Integration Studies, Trinity College Dublin

The Institute for International Integration Studies Discussion Paper Series from IIIS

Abstract: The standard New Keynesian model allows the derivation of optimal monetary policy on the assumption that the economy is composed of a single sector. This paper analyses optimal policy on the basis that the economy comprises a number of different sectors. It shows that the composition of output matters, that policy should take into account the source of shocks as well as well as their aggregate magnitude, and that policy tools impacting individual sectors can be welfare improving. If sectoral policy is not adopted, then commitment in tax policy is important in similar ways and for similar reasons to commitment in monetary policy. With sectoral policy, commitment for tax and monetary policies ceases to be important.

Keywords: Tax policy; Monetary Policy; Multi-sector model; Welfare (search for similar items in EconPapers)
JEL-codes: E12 E32 E50 E63 (search for similar items in EconPapers)
Date: 2012-03
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