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Keynesian Macroeconomics without the LM Curve

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  • David H. Romer

Abstract

Changes in both the macroeconomy and in macroeconomics suggest that the IS-LM-AS model is no longer the best baseline model of short-run fluctuations for teaching and policy analysis. This paper presents an alternative model that replaces the assumption that the central bank targets the money supply with an assumption that it follows a simple interest rate rule. The resulting model is simpler, more realistic, and more coherent than IS-LM-AS, not just in its treatment of monetary policy but in many other ways. The paper also discusses other alternatives to IS-LM-AS.

Suggested Citation

  • David H. Romer, 2000. "Keynesian Macroeconomics without the LM Curve," Journal of Economic Perspectives, American Economic Association, vol. 14(2), pages 149-169, Spring.
  • Handle: RePEc:aea:jecper:v:14:y:2000:i:2:p:149-169
    Note: DOI: 10.1257/jep.14.2.149
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    File URL: http://www.aeaweb.org/articles.php?doi=10.1257/jep.14.2.149
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    References listed on IDEAS

    as
    1. von Hagen, J, 1995. "Inflation and Monetary Targeting in Germany," Papers 03, American Institute for Contemporary German Studies-.
    2. Gordon, Robert J, 1990. "What Is New-Keynesian Economics?," Journal of Economic Literature, American Economic Association, vol. 28(3), pages 1115-1171, September.
    3. Marvin Goodfriend, 1993. "Interest rate policy and the inflation scare problem: 1979-1992," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
    4. Richard H. Clarida & Mark Gertler, 1997. "How the Bundesbank Conducts Monetary Policy," NBER Chapters,in: Reducing Inflation: Motivation and Strategy, pages 363-412 National Bureau of Economic Research, Inc.
    5. Laubach, T. & Posen, A.S., 1997. "Disciplined Discretion: Monetary Targeting in Germany and Switzerland," Princeton Essays in International Economics 206, International Economics Section, Departement of Economics Princeton University,.
    6. 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.
    Full references (including those not matched with items on IDEAS)

    More about this item

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian

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