A 2008 study by Dartmouth finance professor Kenneth French estimated that investors in the U.S. pay roughly $100 billion per year in fees and other expenses in an attempt to “beat the market” rather than investing in low-fee index funds that track the broader performance of the stock market. And a 2006 study from Harvard economist John Campbell estimated that poor decisions concerning mortgage financing costs homeowners more than $50 billion annually. The list goes on, from payday loans to credit cards to retirement products: Americans spend billions more because of their lack of financial knowledge.
2008年,达特茅斯学院(Dartmouth College)金融学教授肯尼思o弗兰奇在他的研究中估算,为了“跑赢大市”,美国投资者每年都要支付约1000亿美元的手续费和其他费用,却不愿用这笔钱投资手续费较低,专门跟踪大盘的指数基金。2006年,哈佛大学(Harvard University)经济学家约翰o坎贝尔估算,由于在按揭融资方面决策欠妥,住房业主每年都要损失500亿美元以上。类似的研究层出不穷,从发薪日贷款到信用卡再到退休金融产品,它们的结论都是:财务知识匮乏让美国人多花了数十亿美元。
Cass Sunstein, former Obama Administration official and promoter of government policies that “nudge” people into avoiding making such predictable and costly mistakes, suggests that we should institute rules that force banks to make it very easy to refinance loans when interest rates fall. While this approach won’t be very popular with banks or mortgage investors, there’s plenty of research that shows that creating systems where it’s easier to make the right choice about your finances will lead to more people making those choices.
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