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Measuring market integration during crisis periods

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https://econpapers.repec.org/scripts/redir.pf?u=http%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS1042443122000440;h=repec:eee:intfin:v:78:y:2022:i:c:s1042443122000440
Time Added
6/20/2022, 12:17:36 PM
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Factor Model
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Authors
Weiping Qin Sungjun Cho and Stuart Hyde
Abstract
Pukthuanthong and Roll (2009) measure the degree of market integration by the percentage of a market’s returns explained by global risk factors. However during periods of crisis characterised by high volatility their measure may be biased. This paper investigates the determinants of the explanatory power in a multi-factor model during global crises. We show that the explanatory power is influenced by factor heteroscedasticity changes in factor loadings and residual heteroscedasticity. Using a counterfactual analysis we establish an empirical framework to examine the effects of each element on integration for 53 financial markets during six recent crisis periods. We find the unconditional market integration is much lower for most markets during a period of crisis than implied. Both factor heteroscedasticity and the existence of contagion during crises account for this difference.
Keywords
Market integration ; Financial crisis ; Contagion ; Factor heteroscedasticity (search for similar items in EconPapers)
Year Published
2022
Series
Journal of International Financial Markets Institutions and Money 2022 vol. 78 issue C
Rank
0.76
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