How do normalization schemes affect net spillovers? A replication of the Diebold and Yilmaz (2012) study

Andrea Cipollini, Francesco Giuseppe Caloia, Silvia Muzzioli

Risultato della ricerca: Articlepeer review

Abstract

This paper replicates the Diebold and Yilmaz (2012) study on the connectedness of the commodity market and three other financial markets: the stock market, the bond market, and the FX market, based on the Generalized Forecast Error Variance Decomposition, GEFVD. We show that the net spillover indices (of directional connectedness), used to assess the net contribution of one market to overall risk in the system, are sensitive to the normalization scheme applied to the GEFVD. We show that, considering data generating processes characterized by different degrees of persistence and covariance, a scalar-based normalization of the Generalized Forecast Error Variance Decomposition is preferable to the row normalization suggested by Diebold and Yilmaz since it yields net spillovers free of sign and ranking errors.
Lingua originaleEnglish
pagine (da-a)1-13
Numero di pagine13
RivistaEnergy Economics
Volume84
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Economics and Econometrics
  • ???subjectarea.asjc.2100.2100???

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