Weintroduce distortionary taxes on consumption, labor and capital incomeinto a New Keynesian modelwith Calvo pricing and nominal bonds.We study the relation between tax instruments and optimal monetary policy by computing simple rules for monetary and fiscal policy when one tax instrument at a time varies, while the other two are fixed at their steady-state level. The optimal rules maximize the second-order approximation to intertemporal utility. Three results emerge: (a) when prices are sticky, perfect inflation stabilization is optimal independently from the tax instrument adopted; (b) the optimal degree of responsiveness ofmonetary policy to output varies depending on which tax instrument induces fluctuations in the average tax rate; (c) when prices are flexible, fiscal rules that prescribe unexpected variations in the price level to support debt changes are always welfare-maximizing.

Distortionary tax instruments and implementable monetary policy

MARATTIN, LUIGI;MARZO, MASSIMILIANO;ZAGAGLIA, PAOLO
2013

Abstract

Weintroduce distortionary taxes on consumption, labor and capital incomeinto a New Keynesian modelwith Calvo pricing and nominal bonds.We study the relation between tax instruments and optimal monetary policy by computing simple rules for monetary and fiscal policy when one tax instrument at a time varies, while the other two are fixed at their steady-state level. The optimal rules maximize the second-order approximation to intertemporal utility. Three results emerge: (a) when prices are sticky, perfect inflation stabilization is optimal independently from the tax instrument adopted; (b) the optimal degree of responsiveness ofmonetary policy to output varies depending on which tax instrument induces fluctuations in the average tax rate; (c) when prices are flexible, fiscal rules that prescribe unexpected variations in the price level to support debt changes are always welfare-maximizing.
INTERNATIONAL REVIEW OF ECONOMICS & FINANCE
L.Marattin; M.Marzo;P.Zagaglia
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/124557
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