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股市涨涨跌跌,到底是哪些因素在起作用?加拿大毅伟商学院、英国牛津大学和美国克莱尔蒙特研究生大学的研究人员共同创造一个实验性模拟股市,来观察睾丸素水平与股市涨跌的联系。
研究人员招募了平均年龄23岁的140名男性交易员,让他们在模拟股市中进行的三轮各12个交易阶段里尽量多赚钱。研究人员还告诉交易员,在实验结束时会得到报酬。
在模拟股市交易开始前一晚,研究人员让一部分交易员服用10毫克睾丸素补剂,另一部分服用安慰剂。研究人员发现,睾丸素与买入价、卖出价和交易量的提高存在关联,并改变了交易员对股票现有价值的判断,即睾丸素直接提升了股市泡沫的规模和持续时间。这意味着睾丸素对股价上涨有显著影响。
英国《每日邮报》援引研究参与者、毅伟商学院金融学助教阿莫斯·纳德勒的话报道,“我们的研究结果显示出实验股市中一种特殊激素——睾丸素对男交易员的影响”,据此我们建议,有必要考虑激素对工作决策时的影响。他还建议交易公司等采用“冷静期”来打断睾丸素对交易员的干扰。(乔颖)【新华社微特稿】
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