The episodes of stock market crises in Europe and the U.S.A.since the year 2000,and the fragility of the international stock markets,have sparked the interest of researchers in understanding and in modeling the markets’ rising volatilities in order to prevent against crises.Portfolio managers...

This paper studies how one currency market affects another currency market in a different time zone, using various contracts of the opening and closing yen-dollar exchange rates traded in Tokyo, London, and New York. We find strong and consistent evidence that the three major currency markets...