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The BMW model: Simple macroeconomics for closed and open economies a requiem for the IS/LM-AS/AD and the Mundell-Fleming model

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

Abstract

While the IS/LM-AS/AD model is still the central tool of macroeconomic teaching in most macroeconomic textbooks, it has been criticised by several economists. Colander [1995] has demonstrated that the framework is logically inconsistent, Romer [2000] has shown that it is unable to deal with a monetary policy that uses the interest rate as its operating target, Walsh [2001] has criticised that it is not well suited for an analysis of inflation targeting. In our paper we start with a short discussion of the main flaws of the IS/LM-AS/AD model. We present the BMW model as an alternative framework, which develops the Romer approach into a very simple, but comprehensive macroeconomic model. In spite of its simplicity it can deal with issues like inflation targeting, monetary policy rules, and central bank credibility. We extend the model to an open-economy version as 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. This working paper is an extended and more theoretical version of Würzburg Economic Paper No. 34. Besides describing the derivation of optimal interest rate rules and the concept of loss functions more in detail, it also discusses simple interest rate rules in an open economy as well as a strategy of managed floating within the same theoretical framework. Additionally, we explore the stabilizing properties of simple interest rate rules.

Suggested Citation

  • 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, Department of Economics.
    • Handle: RePEc:zbw:wuewep:35
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    1. Flood, Robert P. & Rose, Andrew K., 1995. "Fixing exchange rates A virtual quest for fundamentals," Journal of Monetary Economics, Elsevier, vol. 36(1), pages 3-37, August.
    2. 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.
    3. Svensson, Lars E. O., 2002. "Inflation targeting: Should it be modeled as an instrument rule or a targeting rule?," European Economic Review, Elsevier, vol. 46(4-5), pages 771-780, May.
    4. Orphanides, Athanasios & Wieland, Volker, 2000. "Inflation zone targeting," European Economic Review, Elsevier, vol. 44(7), pages 1351-1387, June.
    5. Guillermo A. Calvo & Carmen M. Reinhart, 2002. "Fear of Floating," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 117(2), pages 379-408.
    6. David H. Romer, 2000. "Keynesian Macroeconomics without the LM Curve," Journal of Economic Perspectives, American Economic Association, vol. 14(2), pages 149-169, Spring.
    7. Froot, Kenneth A & Thaler, Richard H, 1990. "Foreign Exchange," Journal of Economic Perspectives, American Economic Association, vol. 4(3), pages 179-192, Summer.
    8. Carmen M. Reinhart, 2000. "The Mirage of Floating Exchange Rates," Annual Proceedings, The Association for the Study of the Cuban Economy, vol. 10.
    9. Meese, Richard A. & Rogoff, Kenneth, 1983. "Empirical exchange rate models of the seventies : Do they fit out of sample?," Journal of International Economics, Elsevier, vol. 14(1-2), pages 3-24, February.
    10. Mccallum, Bennet T., 1988. "Robustness properties of a rule for monetary policy," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 29(1), pages 173-203, January.
    11. Bofinger, Peter, 2001. "Monetary Policy: Goals, Institutions, Strategies, and Instruments," OUP Catalogue, Oxford University Press, number 9780199248568.
    12. Bofinger, Peter & Mayer, Eric & Wollmershäuser, Timo & Hülsewig, Oliver, 2003. "The BMW model: A new framework for teaching monetary macroeconomics in closed and open economies," W.E.P. - Würzburg Economic Papers 34, University of Würzburg, Department of Economics.
    13. Bofinger, Peter & Wollmershäuser, Timo, 2001. "Managed floating: Understanding the new international monetary order," W.E.P. - Würzburg Economic Papers 30, University of Würzburg, Department of Economics.
    14. Hausmann, Ricardo & Panizza, Ugo & Stein, Ernesto, 2001. "Why do countries float the way they float?," Journal of Development Economics, Elsevier, vol. 66(2), pages 387-414, December.
    15. Barro, Robert J & Gordon, David B, 1983. "A Positive Theory of Monetary Policy in a Natural Rate Model," Journal of Political Economy, University of Chicago Press, vol. 91(4), pages 589-610, August.
    16. Stanley Fischer, 2001. "Exchange Rate Regimes: Is the Bipolar View Correct?," Journal of Economic Perspectives, American Economic Association, vol. 15(2), pages 3-24, Spring.
    17. 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.
    18. Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December.
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    1. Bofinger, Peter & Mayer, Eric & Wollmershäuser, Timo & Hülsewig, Oliver, 2003. "The BMW model: A new framework for teaching monetary macroeconomics in closed and open economies," W.E.P. - Würzburg Economic Papers 34, University of Würzburg, Department of Economics.
    2. repec:got:cegedp:27 is not listed on IDEAS
    3. Peter Bofinger & Eric Mayer, 2007. "Monetary and Fiscal Policy Interaction in the Euro Area with Different Assumptions on the Phillips Curve," Open Economies Review, Springer, vol. 18(3), pages 291-305, July.

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    JEL classification:

    • A2 - General Economics and Teaching - - Economic Education and Teaching of Economics
    • E1 - Macroeconomics and Monetary Economics - - General Aggregative Models
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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