An empirical investigation is offered of the number of common trends i
n stock returns in seven Asian emerging markets. There is evidence of
a single common trend. Following Kasa (Kasa, K., 1992, Common stochast
ic trends in international stock markets, Journal of Monetary, Economi
cs, 29, 95-124) a measure is obtained of common trend and graphic evid
ence is provided in favour of market interdependence.