基金经理是否错误估计了气候灾害风险?

Shashwat Alok, N. Kumar, Russ Wermers
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引用次数: 0

摘要

我们考察职业基金经理是否对大型气候灾害反应过度。我们发现,身处重灾区的管理者比远离重灾区的管理者更少持有重灾区股票,而且这种对重灾区股票的厌恶与显著性偏差有关,这种偏差随着时间和距离灾难的距离而减少,而不是与近距离管理者拥有的优越信息有关。这种过度反应可能会让投资者为一些特别明显的灾难(如飓风和龙卷风)付出高昂的代价:利用过度反应的多空策略在接下来的两年里产生可观的经dgtw调整后的回报。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Do Fund Managers Misestimate Climatic Disaster Risk?
We examine whether professional money managers overreact to large climatic disasters. We find that managers within a major disaster region underweight disaster zone stocks to a much greater degree than distant managers and that this aversion to disaster zone stocks is related to a salience bias that decreases over time and distance from the disaster, rather than to superior information possessed by close managers. This overreaction can be costly to fund investors for some especially salient disasters like hurricanes and tornadoes: a long-short strategy that exploits the overreaction generates a significant DGTW-adjusted return over the following 2 years.
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