Intraday Yen/Dollar Exchange Rate Movements: News or Noise?

Intraday Yen/Dollar Exchange Rate Movements: News or Noise?
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日内日元/美元汇率走势:新闻还是噪音?

DOI:
10.3386/w2703
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发表时间:
1988
期刊:
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影响因子:
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通讯作者:
V. Roley
V. Roley
中科院分区:
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文献类型:
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作者:
Takatoshi Ito;V. Roley

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利用纽约和东京市场的开盘价和收盘价,研究1980-86年期间日元/美元汇率的盘中走势。结果表明,在各种子样本中,大约有一半的时间违反了随机行走行为。然而,偏离随机游走模型的经济意义随着时间的推移而减弱。对汇率的大跳变也进行了研究,并给出了随后的均值回归的一些证据。最后,日本和美国股票价格的反应表明,日元/美元汇率的盘中变动至少包含了一些相关信息。
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 departures from the random-walk model diminishes over time. Large jumps in the exchange rate also are examined, and some evidence on subsequent mean reversion is presented. Finally, the response of Japanese and U.S. stock prices suggests that intraday yen/dollar rate movements do contain at least some relevant information.
J.CHEM.PHYS.84。
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