Transitory and permanent components of exchange rate volatility: Further evidence from causality tests

Authors

  • Amalia Morales-Zumaquero Department of Economic Theory and Economic History, Universidad de Málaga, Málaga. Spain
  • Simón Sosvilla-Rivero Complutense Institute for Economic Analysis, Universidad Complutense de Madrid, Madrid. Spain

DOI:

https://doi.org/10.32826/reyf.v3i7.383

Keywords:

Conditional variance, Component model, Causality analysis, Exchange rates

Abstract

We present new evidence on the volatility behaviour of major exchange rates, focusing on their permanent (long-run) and transitory (short-run) components. To achieve this, we conduct a causality analysis to explore their statistical relationship and identify their mutual influences. Our findings indicate that shocks to economic fundamentals (which correspond to the permanent volatility component) and market sentiment (associated with the transitory volatility component) reinforce one another, transmitting and intensifying tensions on a global scale, thus creating a complex and tightly interconnected network.

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Published

2025-07-19