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A Bayesian Signals Approach for the Detection of Crises

  • Panayotis Michaelides
  • Mike Tsionas
  • Panos XidonasEmail author
Original Article

Abstract

In this paper, we consider the signals approach as an early-warning-system to detect crises. Crisis detection from a signals approach involves Type I and II errors which are handled through a utility function. We provide a Bayesian model and we test the effectiveness of the signals approach in three data sets: (1) Currency and banking crises for 76 currency and 26 banking crises in 15 developing and 5 industrial countries between 1970 and 1995, (2) costly asset price booms using quarterly data ranging from 1970 to 2007, and (3) public debt crises in Europe in 11 countries in the European Monetary Union from the introduction of the Euro until November 2011. The Bayesian model relies on a vector autoregression for indicator variables, and incorporates dynamic factors, time-varying weights in the latent composite indicator and special priors to avoid the proliferation of parameters. The Bayesian vector autoregressions are extended to a semi-parametric context to capture non-linearities. Our evidence reveals that our approach is successful as an early-warning mechanism after allowing for breaks and nonlinearities and, perhaps more importantly, the composite indicator is better represented as a flexible nonlinear function of the underlying indicators.

Keywords

Predicting crises Early warning system Bayesian analysis Leading indicators 

Notes

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Copyright information

© The Indian Econometric Society 2019

Authors and Affiliations

  1. 1.National Technical University of AthensAthensGreece
  2. 2.Lancaster UniversityLancasterUK
  3. 3.ESSCA Business SchoolParisFrance

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