Intraday movements in the yen/dollar rate are examined over the 1980-86 period using opening and closing quotes in the New York and Tokyo markets. The results indicate that random-walk behavior is violated about half of the time in various subsamples. However, the economic significance of...

Intra-daily movements in the yen/dollar exchange rate were examined in four non-overlapping segments within each business day from January1980 to September 1985. The empirical results yielded several conclusions. First, most depreciation of the yen (appreciation of the dollar) from late 1982 to...

Intra-daily movements in the yen/dollar exchange rate were examined in four non-overlapping segments within each business day from January1980 to September 1985. The empirical results yielded several conclusions. First, most depreciation of the yen (appreciation of the dollar) from late 1982 to...

Intraday movements in the yen/dollar rate are examined over the 1980-86 period using opening and closing quotes in the New York and Tokyo markets. The results indicate that random-walk behavior is violated about half of the time in various subsamples. However, the economic significance of...