An empirical analysis of currency volatilities during the recent global financial crisis

Itir Ozer-Imer and Ibrahim Ozkan

Economic Modelling, 2014, vol. 43, issue C, 394-406

Abstract: This paper investigates the impact of the 2008–2009 global financial crisis on the co-movement of 16 currencies in the sample. It employs a two-step atheoretic empirical methodology; it i) applies change point estimation based on geometric Brownian motion to detect change points in volatilities and ii) applies Engle's (2002) dynamic conditional correlation (DCCR) approach to estimate time varying correlations and then, observes the behavior of volatility co-movements during the periods found in (i). The results show that volatilities increase at least twofold with the outbreak of the crisis and there is an inverse relationship between volatility and the duration of the crisis. The DCCRs usually increase with the onset of the crisis and they fluctuate smoothly afterwards while keeping that increased level.

Keywords: Exchange rate co-movement; Volatility spillover; Recent financial crisis; Dynamic conditional correlation; Change point analysis; Brownian motion (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:43:y:2014:i:c:p:394-406

DOI: 10.1016/j.econmod.2014.09.008

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