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Discretionary Policy in a Monetary Union with Sovereign Debt

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  • Leith, Campbell
  • Wren-Lewis, Simon

Abstract

This paper examines the interactions between multiple national fiscal policy- makers and a single monetary policy maker in response to shocks to government debt in some or all of the countries of a monetary union. We assume that national governments respond to excess debt in an optimal manner, but that they do not have access to a commitment technology. This implies that national fi scal policy gradually reduces debt: the lack of a commitment technology precludes a random walk in steady state debt, but the need to maintain national competitiveness avoids excessively rapid debt reduction. If the central bank can commit, it adjusts its policies only slightly in response to higher debt, allowing national fiscal policy to undertake most of the adjustment. However if it cannot commit, then optimal monetary policy involves using interest rates to rapidly reduce debt, with signifi cant welfare costs. We show that in these circumstances the central bank would do better to ignore national fiscal policies in formulating its policy.

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Bibliographic Info

Paper provided by Scottish Institute for Research in Economics (SIRE) in its series SIRE Discussion Papers with number 2010-74.

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Date of creation: 2010
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Handle: RePEc:edn:sirdps:203

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  1. Simon Wren-Lewis & Fabian Eser, 2009. "When is Monetary Policy All we Need?," Economics Series Working Papers 430, University of Oxford, Department of Economics.
  2. Díaz-Giménez, Javier & Giovannetti, Giorgia & Marimon, Ramon & Teles, Pedro, 2007. "Nominal Debt as a Burden on Monetary Policy," CEPR Discussion Papers 6595, C.E.P.R. Discussion Papers.
  3. Smets, Frank & Wouters, Raf, 2004. "Comparing shocks and frictions in US and euro area business cycles: a Bayesian DSGE approach," Working Paper Series 0391, European Central Bank.
  4. Jordi Gal� & Tommaso Monacelli, 2005. "Monetary Policy and Exchange Rate Volatility in a Small Open Economy," Review of Economic Studies, Oxford University Press, vol. 72(3), pages 707-734.
  5. Andrea Ferrero, 2005. "Fiscal and Monetary Rules for a Currency Union," Macroeconomics 0508020, EconWPA.
  6. Soderlind, Paul, 1999. "Solution and estimation of RE macromodels with optimal policy," European Economic Review, Elsevier, vol. 43(4-6), pages 813-823, April.
  7. Tatiana Kirsanova & Campbell Leith & Simon Wren-Lewis, 2006. "Should Central Banks Target Consumer Prices or the Exchange Rate?," Economic Journal, Royal Economic Society, vol. 116(512), pages F208-F231, 06.
  8. Campbell leith & Jim Malley, 2002. "Estimated General Equilibrium Models for the Evaluation of Monetary Policy in the US and Europe," Working Papers 2001_16, Business School - Economics, University of Glasgow.
  9. P. Benigno & M. Woodford, 2003. "Optimal monetary and fiscal policy: a linear-quadratic approach," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
  10. Martin Ellison & Neil Rankin, 2005. " Optimal Monetary Policy When Lump-Sum Taxes Are Unavailable: A Reconsideration of the Outcomes under Commitment and Discretion," CDMA Conference Paper Series 0501, Centre for Dynamic Macroeconomic Analysis.
  11. Campbell Leith & Simon Wren‐Lewis, 2013. "Fiscal Sustainability in a New Keynesian Model," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 45(8), pages 1477-1516, December.
  12. Albert Marcet & Thomas J. Sargent & Juha Seppala, 1996. "Optimal taxation without state-contingent debt," Economics Working Papers 170, Department of Economics and Business, Universitat Pompeu Fabra, revised Oct 2001.
  13. Gilles Oudiz & Jeffrey Sachs, 1985. "International Policy Coordination In Dynamic Macroeconomic Models," NBER Chapters, in: International Economic Policy Coordination, pages 274-330 National Bureau of Economic Research, Inc.
  14. Canzoneri, Matthew B & Cumby, Robert E & Diba, Behzad T, 2001. "Fiscal Discipline and Exchange Rate Systems," Economic Journal, Royal Economic Society, vol. 111(474), pages 667-90, October.
  15. Tatiana Kirsanova & Campbell Leith & Simon Wren-Lewis, 2009. "Monetary and Fiscal Policy Interaction: The Current Consensus Assignment in the Light of Recent Developments," Economic Journal, Royal Economic Society, vol. 119(541), pages F482-F496, November.
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Cited by:
  1. Niemann, Stefan & Pichler, Paul, 2011. "Optimal fiscal and monetary policies in the face of rare disasters," European Economic Review, Elsevier, vol. 55(1), pages 75-92, January.
  2. Campbell Leith & Ioana Moldovan & Simon Wren-Lewis, 2011. "Debt stabilization in a Non-Ricardian economy," Working Papers 2011_23, Business School - Economics, University of Glasgow.
  3. Saroj Bhattarai & Jae Won Lee & Woong Yong Park, 2013. "Optimal monetary policy in a currency union with interest rate spreads," Globalization and Monetary Policy Institute Working Paper 150, Federal Reserve Bank of Dallas.
  4. Krause, Michael U. & Moyen, Stéphane, 2013. "Public debt and changing inflation targets," Discussion Papers 06/2013, Deutsche Bundesbank, Research Centre.

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