Discussion Paper Details

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Title: Floats, pegs and the transmission of fiscal policy

Author(s): Giancarlo Corsetti, Keith Kuester and Gernot Müller

Publication Date: January 2011

Keyword(s): Exchange rate regimes, Fiscal Policy, Long-term rates, Monetary Policy and New-keynesian models

Programme Area(s): International Macroeconomics

Abstract: According to conventional wisdom, fiscal policy is more effective under a fixed than under a flexible exchange rate regime. In this paper we reconsider the transmission of shocks to government spending across these regimes within a standard new-Keynesian model of a small open economy. Because of the stronger emphasis on intertemporal optimization, the new-Keynesian framework requires a precise specification of fiscal and monetary policies, and their interaction, at both short and long horizons. We derive an analytical characterization of the transmission mechanism of expansionary spending policies under a peg, showing that the long-term real interest rate necessarily rises if inflation rises on impact, in response to an increase in government spending. This drives down private demand even though short-term real rates fall. As this need not be the case under floating exchange rates, the conventional wisdom needs to be qualified. Under plausible medium-term fiscal policies, government spending is not necessarily less expansionary under floating exchange rates.

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Bibliographic Reference

Corsetti, G, Kuester, K and Müller, G. 2011. 'Floats, pegs and the transmission of fiscal policy'. London, Centre for Economic Policy Research.