This paper uses one-minute returns on the TOPIX and S&P500 to examine the efficiency of the Tokyo and New York Stock Exchanges. Our major finding is that Tokyo completes reactions to New York within six minutes, but New York reacts within fourteen minutes. Dividing the sample period into three...

The paper incorporates a partial asymmetric price adjustment model for individual investors action into an EGARCH model, clarifies the relationship between the price adjustment speed, the market efficiency and asymmetric price adjustment, and measures over (under)-evaluation of stock value. The...

This paper uses one-minute returns on the TOPIX and S&P500 to examine the efficiency of the Tokyo and New York Stock Exchanges. Our major finding is that Tokyo completes reactions to New York within six minutes, but New York reacts within fourteen minutes. Dividing the sample period into three...