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The effect of experts' and laypeople's forecasts on others' stock market forecasts

机译:专家和非专业人士的预测对其他人的股市预测的影响

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摘要

With a large-scale online experiment with 1593 participants from the U.S. and the U.K. we explore whether and how people working in the finance industry and laypeople from the general population are influenced by information on other people's forecasts when making forecasts on the future development of two indices and two stocks. We find that (i) laypeople's forecasts are strongly influenced by information they get on other subjects' forecasts, while financial professionals are much less influenced by information signals; (ii) signals by financial professionals influence all subject groups more than forecasts by laypeople; (iii) we observe a home bias in all subject groups, which can be mitigated by information signals; (iv) all subject groups expect lower forecast errors for financial professionals than for laypeople, hence we find evidence for trust in experts. (C) 2019 Elsevier B.V. All rights reserved.
机译:通过对来自美国和英国的1593名参与者进行的大规模在线实验,我们在对两个行业的未来发展进行预测时,探索了金融行业的工作人员和普通民众中的非专业人员以及这些人是否受到其他人的预报信息的影响指数和两只股票。我们发现(i)外行人的预测受到他们在其他主题的预测中获得的信息的强烈影响,而金融专业人员受到信息信号的影响要小得多; (ii)金融专业人员发出的信号对所有主题组的影响远大于非专业人员的预测; (iii)我们在所有科目中都观察到家庭偏见,这可以通过信息信号缓解; (iv)所有学科组都期望金融专业人员的预测误差比非专业人员低,因此我们找到了信任专家的证据。 (C)2019 Elsevier B.V.保留所有权利。

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