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Krachs financiers ou trappe à liquidité. Le dilemme des politiques monétaires non conventionnelles

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  • Antonin Pottier
  • Gaël Giraud

Abstract

This paper examines quantity-targeting monetary policy in a two-period economy with fiat money, endogenously incomplete markets of financial securities, backed by collateral. Non-conventional monetary policy of injecting money results in three scenarios compatible with the equilibrium conditions: 1) the economy enters a liquidity trap; 2) thanks to money creation, markets function orderly at the cost of inflation; 3) the money fuels a financial bubble whose bursting leads to debt-deflation. This dilemma of monetary policy highlights the default channel affecting trades, and provides a rigorous foundation to Fisher?s debt deflation theory as being distinct from Keynes? liquidity trap. Classification JEL : D50, E40, E50, E52, G38.

Suggested Citation

  • Antonin Pottier & Gaël Giraud, 2013. "Krachs financiers ou trappe à liquidité. Le dilemme des politiques monétaires non conventionnelles," Revue économique, Presses de Sciences-Po, vol. 64(3), pages 561-571.
    • Handle: RePEc:cai:recosp:reco_643_0561
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    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G38 - Financial Economics - - Corporate Finance and Governance - - - Government Policy and Regulation

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