Forbes, Kristin J. - 2002
Heteroscedasticity biases tests for contagion based on correlation coefficients. When contagion is defined as a … significant increase in market co-movement after a shock to one country, previous work suggests contagion occurred during recent … coefficients (i.e., no contagion) during the 1997 Asian crisis, 1994 Mexican devaluation, and 1987 U.S. market crash. There is a …