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Macroeconomics without the LM: A Post-Keynesian Perspective

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  • Thomas I. Palley

    () (Economics for Democratic & Open Societies, Washington DC, and Visiting Scholar at the Macroeconomic Policy Institute (IMK), Germany)

Abstract

Romer (2000) provides an alternative model to the AS/AD and IS/LM models that abandons the LM schedule by having the short-term interest rate set by the central bank. His framework acknowledges the critical role of the central bank in determining short-term interest rates, which moves mainstream macroeconomics closer to Post Keynesian monetary theory. The current paper presents a Post Keynesian construction of macroeconomics without an LM schedule. Rather than describing the financial sector in terms of an exogenously determined interest rate set by the central bank, the model unpacks financial markets by fully specifying a banking sector. The key analytic feature of the Post Keynesian approach is to replace the money market with the loan market. That makes transparent the macroeconomic significance of the loan market and bank behavior, and generates an endogenous money supply driven by bank lending. If banks become more optimistic over the

Suggested Citation

  • Thomas I. Palley, 2008. "Macroeconomics without the LM: A Post-Keynesian Perspective," IMK Working Paper 13-2008, IMK at the Hans Boeckler Foundation, Macroeconomic Policy Institute.
  • Handle: RePEc:imk:wpaper:13-2008
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    References listed on IDEAS

    as
    1. Bernanke, Ben S. & Gertler, Mark & Gilchrist, Simon, 1999. "The financial accelerator in a quantitative business cycle framework," Handbook of Macroeconomics,in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 21, pages 1341-1393 Elsevier.
    2. Robert Pollin, 1991. "Two Theories of Money Supply Endogeneity: Some Empirical Evidence," Journal of Post Keynesian Economics, Taylor & Francis Journals, vol. 13(3), pages 366-396, March.
    3. Lavoie, Marc, 1996. "Horizontalism, Structuralism, Liquidity Preference and the Principle of Increasing Risk," Scottish Journal of Political Economy, Scottish Economic Society, vol. 43(3), pages 275-300, August.
    4. William C. Brainard & James Tobin, 1968. "Pitfalls in Financial Model-Building," Cowles Foundation Discussion Papers 244, Cowles Foundation for Research in Economics, Yale University.
    5. Bernanke, Ben & Gertler, Mark & Gilchrist, Simon, 1996. "The Financial Accelerator and the Flight to Quality," The Review of Economics and Statistics, MIT Press, vol. 78(1), pages 1-15, February.
    6. Tobin, James, 1982. "Money and Finance in the Macroeconomic Process," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 14(2), pages 171-204, May.
    7. Thomas Palley, 2007. "Macroeconomics and monetary policy: competing theoretical frameworks," Journal of Post Keynesian Economics, Taylor & Francis Journals, vol. 30(1), pages 61-78.
    8. Charles Goodhart, 1989. "Has Moore Become Too Horizontal?," Journal of Post Keynesian Economics, Taylor & Francis Journals, vol. 12(1), pages 29-34, September.
    9. Thomas I. Palley, 1988. "Bank Lending, Discount Window Borrowing, and the Endogenous Money Supply: A Theoretical Framework," Journal of Post Keynesian Economics, M.E. Sharpe, Inc., vol. 10(2), pages 282-303, January.
    10. David H. Romer, 2000. "Keynesian Macroeconomics without the LM Curve," Journal of Economic Perspectives, American Economic Association, vol. 14(2), pages 149-169, Spring.
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    More about this item

    Keywords

    bank lending; credit; endogenous money; loan market.;

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian
    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General

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