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Predicting Instability

Author

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  • Razzak, Weshah

Abstract

Unanticipated shocks could lead to instability, which is reflected in statistically significant changes in distributions of random variables. Changes in the conditional moments of stationary variables are predictable. We provide a framework based on a statistic for the Sample Generalized Variance, which is useful for interrogating real time data and to predicting statistically significant sudden and large shifts in the conditional variance of a vector of correlated macroeconomic and financial variables. It is a test for a market-wide instability. Central banks can incorporate the framework in the policymaking process.

Suggested Citation

  • Razzak, Weshah, 2012. "Predicting Instability," MPRA Paper 52463, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:52463
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    File URL: https://mpra.ub.uni-muenchen.de/52463/1/MPRA_paper_52463.pdf
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    References listed on IDEAS

    as
    1. Melvin, Michael & Taylor, Mark P., 2009. "The crisis in the foreign exchange market," Journal of International Money and Finance, Elsevier, vol. 28(8), pages 1317-1330, December.
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    4. Malik, Farooq, 2003. "Sudden changes in variance and volatility persistence in foreign exchange markets," Journal of Multinational Financial Management, Elsevier, vol. 13(3), pages 217-230, July.
    5. Carmen M. Reinhart & Kenneth S. Rogoff, 2009. "Is the 2007 U.S. Sub-Prime Financial Crisis So Different? An International Historical Comparison," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 56(3), pages 291-299, September.
    6. Meese, Richard A. & Rogoff, Kenneth, 1983. "Empirical exchange rate models of the seventies : Do they fit out of sample?," Journal of International Economics, Elsevier, vol. 14(1-2), pages 3-24, February.
    7. Razzak, W. A., 1991. "Target zone exchange rate," Economics Letters, Elsevier, vol. 35(1), pages 63-70, January.
    8. John B. Taylor, 2009. "The Financial Crisis and the Policy Responses: An Empirical Analysis of What Went Wrong," NBER Working Papers 14631, National Bureau of Economic Research, Inc.
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    More about this item

    Keywords

    Generalized Variance; Conditional Variance;

    JEL classification:

    • C16 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Econometric and Statistical Methods; Specific Distributions
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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