Why Does the Law of One Price Fail? An Experiment on Index Mutual Funds.

Why Does the Law of One Price Fail? An Experiment on Index Mutual Funds.
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DOI:
10.1093/rfs/hhp097
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发表时间:
2010-04-01
期刊:
The review of financial studies
影响因子:
--
通讯作者:
Madrian BC
Madrian BC
中科院分区:
其他
文献类型:
--
作者:
Choi JJ;Laibson D;Madrian BC

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我们进行了一个实验,以评估为什么个人投资于高收费指数基金。在我们的实验中,受试者在四只标准普尔500指数基金中分配了10,000美元,并根据其投资组合的后续回报获得奖励。绝大多数受试者都不能将费用降到最低。我们可以拒绝这样的假设,即受试者购买高收费指数基金,因为捆绑的非投资组合服务。搜索成本对费用很重要,但即使我们消除了这些成本,费用也没有最小化。相反,受试者对自成立以来的年化回报给予了很高的权重。随着金融知识的普及,支付的费用会减少。有趣的是,选择高收费基金的受试者感觉他们正在犯错误。
We conduct an experiment to evaluate why individuals invest in high-fee index funds. In our experiments, subjects allocate $10,000 across four S&P 500 index funds and are rewarded for their portfolio’s subsequent return. Subjects overwhelmingly fail to minimize fees. We can reject the hypothesis that subjects buy high-fee index funds because of bundled non-portfolio services. Search costs for fees matter, but even when we eliminate these costs, fees are not minimized. Instead, subjects place high weight on annualized returns since inception. Fees paid decrease with financial literacy. Interestingly, subjects who choose high-fee funds sense they are making a mistake.
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