Intertemporal stability in international stock market relationships: A revisit

Using a direct test on the equality of correlation matrices of 12 international stock markets, this paper examines the intertemporal stability in stock market co-movements. Contrary to previous findings, our empirical results show that for both domestic currency and US$-based returns, the shorter the time period considered, the more stable the patterns of stock market co-movement, especially in the period before the 1987 stock crash when domestic currency returns are used.