他致力于储蓄心理学的研究，阐述了“双曲线贴现率”概念。根据这种概念，个人为遥远将来的事件利用的贴现率低于为较近期事件利用的贴现率。
He has concentrated on the psychology of saving and developed the idea of "hyperbolic discounting", where individuals have a lower discount rate for events far into the future than for closer times.
在埃贡(Aegon)保险公司出示的一份关于英国储蓄者的调查中提到：几乎有没有人明白减税这一概念。
A survey of British savers by Aegon, an insurance company, found that few understood the concept of tax relief.
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