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A cautionary note on computing conditional from unconditional correlations

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  • Kaiser, Jonas
  • Krämer, Walter

Abstract

We show that some care is needed when inferring true unconditional correlations from observed conditional correlations, which is a frequent problem in empirical finance and elsewhere. We give a general formula for the relationship between the two and demonstrate its importance in the context of the bivariate t-distribution.

Suggested Citation

  • Kaiser, Jonas & Krämer, Walter, 2011. "A cautionary note on computing conditional from unconditional correlations," Economics Letters, Elsevier, vol. 111(2), pages 176-179, May.
    • Handle: RePEc:eee:ecolet:v:111:y:2011:i:2:p:176-179
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    References listed on IDEAS

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    7. Burkhard Raunig & Johann Scharler, 2009. "Money Market Uncertainty and Retail Interest Rate Fluctuations: A Cross-Country Comparison," German Economic Review, Verein für Socialpolitik, vol. 10, pages 176-192, May.
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    Cited by:

    1. Heaney, Richard & Sriananthakumar, Sivagowry, 2012. "Time-varying correlation between stock market returns and real estate returns," Journal of Empirical Finance, Elsevier, vol. 19(4), pages 583-594.

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