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The BMW model: A new framework for teaching monetary macroeconomics in closed and open economies

  • Bofinger, Peter
  • Mayer, Eric
  • Wollmershäuser, Timo
  • Hülsewig, Oliver

While the IS/LM-AS/AD model is still the central tool of macroeconomic teaching it has been criticised by several economists. The model is unable to deal with a monetary policy that uses the interest rate as its operating target ( Romer [2000]). Walsh [2002] has criticised that it is not suited for an analysis of inflation targeting. We present the BMW model as an alternative framework, which develops the Romer approach into a simple macroeconomic model. It can deal with issues like inflation targeting, monetary policy rules, and central bank credibility. Our open-economy version is a powerful alternative to the IS/LM-based Mundell-Fleming (MF) model. The main advantage of the open-economy BMW model is its ability to discuss the role of inflation and the determination of flexible exchange rates while the MF model is based on fixed prices and constant exchange rates.

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Paper provided by University of Würzburg, Chair for Monetary Policy and International Economics in its series W.E.P. - Würzburg Economic Papers with number 34.

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Date of creation: 2003
Date of revision:
Handle: RePEc:zbw:wuewep:34
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  1. David Colander, 1995. "The Stories We Tell: A Reconsideration of AS/AD Analysis," Journal of Economic Perspectives, American Economic Association, vol. 9(3), pages 169-188, Summer.
  2. Bofinger, Peter & Mayer, Eric & Wollmershäuser, Timo, 2002. "The BMW model: simple macroeconomics for closed and open economies a requiem for the IS/LM-AS/AD and the Mundell-Fleming model," W.E.P. - Würzburg Economic Papers 35, University of Würzburg, Chair for Monetary Policy and International Economics.
  3. Ricardo Hausmann & Ugo Panizza & Ernesto H. Stein, 2000. "Why Do Countries Float the Way They Float?," Research Department Publications 4205, Inter-American Development Bank, Research Department.
  4. Svensson, Lars E O, 1998. "Inflation Targeting as a Monetary Policy Rule," CEPR Discussion Papers 1998, C.E.P.R. Discussion Papers.
  5. Marc P. Giannoni & Michael Woodford, 2003. "Optimal Interest-Rate Rules: I. General Theory," Levine's Bibliography 506439000000000384, UCLA Department of Economics.
  6. Reinhart, Carmen, 2000. "The mirage of floating exchange rates," MPRA Paper 13736, University Library of Munich, Germany.
  7. David H. Romer, 2000. "Keynesian Macroeconomics without the LM Curve," Journal of Economic Perspectives, American Economic Association, vol. 14(2), pages 149-169, Spring.
  8. Baxter, Marianne & Stockman, Alan C., 1989. "Business cycles and the exchange-rate regime : Some international evidence," Journal of Monetary Economics, Elsevier, vol. 23(3), pages 377-400, May.
  9. Andrew T. Levin & Volker W. Wieland & John C. Williams, 1998. "Robustness of simple monetary policy rules under model uncertainty," Finance and Economics Discussion Series 1998-45, Board of Governors of the Federal Reserve System (U.S.).
  10. Robert J. Barro & David B. Gordon, 1981. "A Positive Theory of Monetary Policy in a Natural-Rate Model," NBER Working Papers 0807, National Bureau of Economic Research, Inc.
  11. Flood, Robert P & Rose, Andrew K, 1993. "Fixing Exchange Rates: A Virtual Quest for Fundamentals," CEPR Discussion Papers 838, C.E.P.R. Discussion Papers.
  12. Carl E. Walsh, 2002. "Teaching Inflation Targeting: An Analysis for Intermediate Macro," The Journal of Economic Education, Taylor & Francis Journals, vol. 33(4), pages 333-346, December.
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