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Removing Bias in Estimating Financial Contagion: An Empirical Analysis Based on European Economies

Author

Listed:
  • Wenti Du

    (Claremont Graduate University
    Akita International University
    Claremont Institute for Economic Policy Studies)

  • Eric Pentecost

    (Claremont Graduate University
    Loughborough University
    Claremont Institute for Economic Policy Studies)

  • Graham Bird

    (Claremont Graduate University
    Claremont Institute for Economic Policy Studies)

Abstract

The degree of contagion is frequently measured by the size and significance of linear correlation coefficients. In this paper, we show that such linear measures are inappropriate for three reasons: contagion is likely to be nonlinear, the structural contagion model is unknown, and the contagion itself will be time-varying. Instead, we use a time-varying coefficient method to give a time-varying, unbiased measure of bilateral contagion between two countries, which shows that simple correlation measures over-estimate the average contagion from the source country and how the degree of contagion varies over the sample period. To illustrate, we use Greece as an exemplar source country and Belgium, France, Italy, Ireland, Netherlands, Portugal, and Spain as recipient countries over the period 2009 to 2022.

Suggested Citation

  • Wenti Du & Eric Pentecost & Graham Bird, 2025. "Removing Bias in Estimating Financial Contagion: An Empirical Analysis Based on European Economies," Open Economies Review, Springer, vol. 36(4), pages 1081-1096, September.
    • Handle: RePEc:kap:openec:v:36:y:2025:i:4:d:10.1007_s11079-024-09788-z
    DOI: 10.1007/s11079-024-09788-z
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    References listed on IDEAS

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    Keywords

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    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • F34 - International Economics - - International Finance - - - International Lending and Debt Problems
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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