An information theory perspective on the informational efficiency of gold price

Aurelio F. Bariviera, Alejandro Font-Ferrer, M. Teresa Sorrosal-Forradellas, Osvaldo A. Rosso

Producción científica: Contribución a una revistaArtículo de revista revisión exhaustiva

20 Citas (Scopus)

Resumen

This paper studies the informational efficiency of the gold market, and its variability due to economic distress situations. The period under study goes from 1968 until 2017. We use quantifiers derived from Information Theory in order to analyze the stochastic dynamics of gold price. In particular, we use permutation entropy, permutation statistical complexity and Fisher Information Measure, to assess the time varying dynamics of price time series. We find that the stochastic regime in the time series exhibits three distinct dynamics, roughly divided in years 1968–1981, 1981–2003, 2003–2017. Additionally, informational efficiency is affected by major economic and political events. Finally, we detect a strong persistence in volatility.

Idioma originalInglés
Número de artículo101018
PublicaciónNorth American Journal of Economics and Finance
Volumen50
DOI
EstadoPublicada - nov. 2019
Publicado de forma externa

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© 2019 Elsevier Inc.

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