Implications from Biased Probability Judgments for International Disparities in Momentum Returns

Implications from Biased Probability Judgments for International Disparities in Momentum Returns
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概率判断偏差对动量回报国际差异的影响

DOI:
10.1080/15427560.2017.1308937
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发表时间:
2017
影响因子:
1.9
通讯作者:
Keigo Inukai
Keigo Inukai
中科院分区:
经济学3区
文献类型:
--
作者:
Duttle;Keigo Inukai

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在来自地球仪的大多数市场的金融数据中,动量是一种一致的现象。一个突出的例外是日本市场,那里不存在动量投资策略的回报。作者调查了代表性启发式的国际差异,这是动量的一个潜在驱动力。在观察了随机游走的序列之后,受试者对各自下一次变化的方向给出概率估计。实验在日本和德国进行。对于认知能力较低的一组参与者,我们的结果完全符合国际动量证据。
Momentum is a consistent phenomenon in financial data from the majority of markets around the globe. One prominent exception is the Japanese market, where returns from a momentum-investment strategy are nonexistent. The authors investigated international differences in the representativeness heuristic, which is one potential driver of momentum. After observing sequences of a random walk, subjects give probability estimates for the direction of the respective next change. The experiment was conducted in Japan and in Germany. For a subgroup of participants with lower cognitive abilities our results are perfectly in line with international momentum evidence.
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