Promoting healthy behavior through repeated deposit contracts: An intervention study

Ido Erev, Maximilian Hiller, Stefan Klößner, Gal Lifshitz, Vanessa Mertins, Yefim Roth

Research output: Contribution to journalArticlepeer-review

Abstract

The current paper clarifies the conditions under which deposit contracts are sufficient to motivate people to perform daily breathing exercises using a smartphone app. Our analysis compares the impact of repeated deposit contracts with the impact of small bonus incentives. Accepting the daily contract provided the same monetary gain from exercising as the bonus, but led to a larger loss when the participants failed to exercise. Theoretical analysis shows that deposit contracts are expected to be more effective than bonus incentives when the probability of failing to practice due to an unexpected busy schedule is sufficiently low. These predictions are supported by a field experiment with more than 180 participants. While the bonus incentives failed to increase the exercise rate, repeated deposit contracts boosted it from 58% to 83%. Moreover, the use of the contracts eliminated much of the cost that the intervention designer has to bear.

Original languageEnglish
Article number102548
JournalJournal of Economic Psychology
Volume92
DOIs
StatePublished - Oct 2022

Bibliographical note

Funding Information:
This work was supported by the VolkswagenStiftung Research Cooperation Lower Saxony - Israel [grant number A124745 ].

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

  • Decisions from experience
  • Deposit contracts
  • Health behavior
  • Incentives
  • Reliance on small samples

ASJC Scopus subject areas

  • Sociology and Political Science
  • Applied Psychology
  • Economics and Econometrics

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