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Age Differences in Intertemporal Choice: U-Shaped Associations in a Probability Sample of German Households

SOEPpapers 974, 40 S.

David Richter, Rui Mata

2018

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Published in: Psychology and Aging 33 (2017), 5, S. 782-788

Abstract

To describe adult age differences in intertemporal choice, we analyzed data from 1,491 participants who completed an incentivized monetary intertemporal discounting choice task involving different conditions (e.g., time delay of 12 months vs. 1 month). Respondents completed a number of other survey measures, including behavioral measures of cognitive ability, and self-reports concerning health, financial security, and demographic characteristics. We found significant quadratic (U-shaped) effects of age in task conditions involving 12-month (but not 1-month) delays, with middle-aged adults proving most patient relative to younger and older adults. The age effects found were robust to the inclusion of covariates, including cognitive ability, that have been suggested to underlie individual and age differences in time preferences. The results favor theories that propose non-linear effects of age-related processes or multiple mechanisms underlying the development of intertemporal choice across the life span and suggest that it is important to consider long time delays and wide age ranges when trying to understand age differences in time preferences.



Keywords: Decision-Making; Cognition; Life Course and Developmental Change; Time PreferencesJEL:
Frei zugängliche Version: (econstor)
http://hdl.handle.net/10419/181027

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