期刊
EXPERIMENTAL ECONOMICS
卷 25, 期 4, 页码 1202-1233出版社
SPRINGER
DOI: 10.1007/s10683-022-09749-8
关键词
Self-control; Quasi-hyperbolic discounting; Present bias; Adolescents; Food rewards
类别
资金
- Australian Research Council [DE150101032]
- Australian Research Council Centre of Excellence for Children and Families over the Life Course [CE140100027, CE200100025]
- Australian Research Council [DE150101032] Funding Source: Australian Research Council
This paper compares estimates of present bias for money and food, and finds a moderate correlation between the two. Furthermore, experimental measures of time preferences can predict field behaviors.
Economists model self-control problems through time-inconsistent preferences. Empirical tests of these preferences largely rely on experimental elicitation using monetary rewards, with several recent studies failing to find present bias for money. In this paper, we compare estimates of present bias for money with estimates for healthy and unhealthy foods. In a within-subjects longitudinal experiment with 697 low-income Chinese high school students, we find strong present bias for both money and food, and that individual measures of present bias are moderately correlated across reward types. Our experimental measures of time preferences over both money and foods predict field behaviors including alcohol consumption and academic performance.
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