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Global financial crisis, liquidity pressure in stock markets and efficiency of central bank interventions

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  • Mohamed El Hedi Arouri

    ()
    (EconomiX - CNRS : UMR7166 - Université de Paris X - Nanterre, LEO - Laboratoire d'économie d'Orleans - CNRS : UMR6221 - Université d'Orléans)

  • Fredj Jawadi

    (EconomiX - CNRS : UMR7166 - Université de Paris X - Nanterre, LEO - Laboratoire d'économie d'Orleans - CNRS : UMR6221 - Université d'Orléans)

  • Duc Khuong Nguyen

    (CERAG - Centre d'études et de recherches appliquées à la gestion - CNRS : UMR5820 - Université Pierre Mendès-France - Grenoble II)

Abstract

In this article, we investigate the hypothesis of efficiency of central bank intervention policies within the current global financial crisis. We firstly discuss the major existing interventions of central banks around the world to improve liquidity, restore investor confidence and avoid a global credit crunch. We then evaluate the short-term efficiency of these policies in the context of the UK, the US and the French financial markets using different modelling techniques. On the one hand, the impulse response functions in a Structural Vector Autoregressive (SVAR) model are used to apprehend stock market reactions to central bank policies. On the other hand, since these reactions are likely to be of an asymmetric and nonlinear nature, a two-regime Smooth Transition Regression-Generalized Autoregressive Conditional Heteroscedasticity (STR-GARCH) model is estimated to explore the complexity and nonlinear responses of stock markets to exogenous shifts in monetary policy shocks. As expected, our findings show strong repercussions from interest rate changes on stock markets, indicating that investors keep a close eye on central bank intervention policies to make their trading decisions. The stock markets lead monetary markets, however, when central banks are slow to adjust their benchmark interest rates

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Paper provided by HAL in its series Working Papers with number hal-00507821.

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Date of creation: 01 Aug 2010
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Handle: RePEc:hal:wpaper:hal-00507821

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  1. Dick van Dijk & Timo Terasvirta & Philip Hans Franses, 2002. "Smooth Transition Autoregressive Models — A Survey Of Recent Developments," Econometric Reviews, Taylor & Francis Journals, vol. 21(1), pages 1-47.
  2. Hilde C. Bjørnland & Kai Leitemo, 2008. "Identifying the interdependence between US monetary policy and the stock market," Working Paper 2008/04, Norges Bank.
  3. Shiu-Sheng Chen, 2005. "Does Monetary Policy Have Asymmetric Effects on Stock Returns?," Macroeconomics 0502001, EconWPA, revised 01 Feb 2005.
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Cited by:
  1. Fiordelisi, Franco & Galloppo, Giuseppe & Ricci, Ornella, 2014. "The effect of monetary policy interventions on interbank markets, equity indices and G-SIFIs during financial crisis," Journal of Financial Stability, Elsevier, vol. 11(C), pages 49-61.
  2. Jawadi, Fredj & Khanniche, Sabrina, 2012. "Modeling hedge fund exposure to risk factors," Economic Modelling, Elsevier, vol. 29(4), pages 1003-1018.

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