Volatility Dependence and Contagion in Emerging Equity Markets
Sebastian Edwards, Raul Susmel
NBER Working Paper No. 8506
In this paper we use weekly stock market data for a group of Latin American countries to analyze the behavior of volatility through time. We are particularly interested in understanding whether periods of high volatility are correlated across countries. The analysis uses both on univariate and bivariate switching volatility models. Our results do not rely on the correlation coefficients, but on the co-dependence of volatility regimes. The results indicate that high-volatility episodes are, in general, short-lived, lasting from two to twelve weeks. We find strong evidence of volatility co-movements across countries, especially among the Mercosur countries.
Published: Edwards, Sebastian and Raul Susmel. "Volatility Dependence And Contagion In Emerging Equity Markets," Journal of Development Economics, 2001, v66(2,Dec), 505-532.
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