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The Macroeconomics of Financial Crises: How Risk Premiums and Liquidity Traps Affect Policy Options

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  • Manfred Gärtner
  • Florian Jung

Abstract

The paper offers an overview of what structural models of the IS-LM and Mundell-Fleming variety can tell about the macroeconomics of economic crises. In addition to demonstrating how the emergence of risk premiums in money and capital markets can generate liquidity traps at positive interest rates and may drive economies into recessions, it shows the following: (1) Fiscal policy works even in a small, open economy under flexible exchange rates when the country is stuck in a liquidity trap; (2) Near the fringe of liquidity traps, there may be perfect traps, in which neither monetary nor fiscal policy works when used in isolation but policy coordination is called for; and (3) Massive financial crises in the domestic money market may even destabilize the economy. Copyright International Atlantic Economic Society 2011

Suggested Citation

  • Manfred Gärtner & Florian Jung, 2011. "The Macroeconomics of Financial Crises: How Risk Premiums and Liquidity Traps Affect Policy Options," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 17(1), pages 12-27, February.
    • Handle: RePEc:kap:iaecre:v:17:y:2011:i:1:p:12-27:10.1007/s11294-010-9290-z
    DOI: 10.1007/s11294-010-9290-z
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    References listed on IDEAS

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    1. Krugman, Paul, 2000. "Thinking About the Liquidity Trap," Journal of the Japanese and International Economies, Elsevier, vol. 14(4), pages 221-237, December.
    2. Coenen, Guenter & Wieland, Volker, 2003. "The Zero-Interest-Rate and the Role of the Exchange Rate for Monetary Policy in Japan," CFS Working Paper Series 2003/09, Center for Financial Studies (CFS).
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    4. Coenen, Gunter & Wieland, Volker, 2003. "The zero-interest-rate bound and the role of the exchange rate for monetary policy in Japan," Journal of Monetary Economics, Elsevier, vol. 50(5), pages 1071-1101, July.
    5. Mauro Boianovsky, 2004. "The IS-LM Model and the Liquidity Trap Concept: From Hicks to Krugman," History of Political Economy, Duke University Press, vol. 36(5), pages 92-126, Supplemen.
    6. Burda, Michael & Wyplosz, Charles, 2017. "Macroeconomics: a European Text," OUP Catalogue, Oxford University Press, edition 7, number 9780198737513.
    7. Lars E.O. Svensson, 2003. "Escaping from a Liquidity Trap and Deflation: The Foolproof Way and Others," Journal of Economic Perspectives, American Economic Association, vol. 17(4), pages 145-166, Fall.
    8. Buiter, Willem, 2009. "The unfortunate uselessness of most ’state of the art’ academic monetary economics," MPRA Paper 58407, University Library of Munich, Germany, revised 06 Mar 2009.
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    10. Manfred Gärtner & Florian Jung, 2009. "The macroeconomics of financial crises: How risk premiums, liquidity traps and perfect traps affect policy options," University of St. Gallen Department of Economics working paper series 2009 2009-15, Department of Economics, University of St. Gallen.
    11. Wyplosz, Charles, 2009. "Macroeconomics After the Crisis," Walter Adolf Jöhr Lecture 2009, University of St. Gallen, School of Economics and Political Science, Institute of Economics (FGN-HSG).
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    More about this item

    Keywords

    Financial crisis; Credit crunch; Liquidity trap; Risk premiums; Policy options; Fiscal policy; Monetary policy; A20; E63; F01;
    All these keywords.

    JEL classification:

    • A20 - General Economics and Teaching - - Economic Education and Teaching of Economics - - - General
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy
    • F01 - International Economics - - General - - - Global Outlook

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