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Time for Tea: Measuring Discounting for Money and Consumption without the Utility Confound

Author

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  • Abdellaoui, Mohammed
  • Kemel, Emmanuel
  • Panin, Amma

    (Université catholique de Louvain, LIDAM/CORE, Belgium)

  • Vieider, Ferdinand M.

Abstract

We present a novel method—called risk equivalents—that uses a single measure to elicit discount rates while avoiding concerns about the shape of the utility function. The method is valid under discounted expected utility (DEU), and also under several of its behavioral extensions including more general models that account for a biased perception of time and risk (such as time- or likelihood-insensitivity). We implement the method in a field experiment in India measuring inter-temporal discount rates for money and the consumption of tea.We empirically observe that discount rates elicited by traditional methods are related to utility curvature, whereas discount rates elicited by risk equivalents are not. Risk equivalents also mitigate differences in discount rates measured for money and for tea, suggesting that unaddressed utility curvature may play a role in results that demonstrate good-specific discounting. Risk equivalents are general, fast and tractable, three features that are particularly useful in field studies.

Suggested Citation

  • Abdellaoui, Mohammed & Kemel, Emmanuel & Panin, Amma & Vieider, Ferdinand M., 2023. "Time for Tea: Measuring Discounting for Money and Consumption without the Utility Confound," LIDAM Discussion Papers CORE 2023007, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  • Handle: RePEc:cor:louvco:2023007
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    References listed on IDEAS

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    Cited by:

    1. Benjamin Enke & Thomas Graeber & Ryan Oprea & Thomas W. Graeber, 2023. "Complexity and Hyperbolic Discounting," CESifo Working Paper Series 10861, CESifo.

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    More about this item

    Keywords

    Time discounting ; money vs consumption ; utility confound;
    All these keywords.

    JEL classification:

    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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