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Can financial incentives help people trying to establish new habits? Experimental evidence with new gym members

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  • Carrera, Mariana
  • Royer, Heather
  • Stehr, Mark
  • Sydnor, Justin

Abstract

Can financial incentives aid habit formation in people attempting to establish a positive health behavior? We provide evidence on this question from a randomized controlled trial of modest-sized incentives to attend the gym among new members of a fitness facility. Our experiment randomized 690 participants into a control group that received a $30 payment unconditionally or one of 3 incentive groups that received a payment for attending the gym at least 9 times over the first 6 weeks of membership. Two incentive treatment arms offered monetary payments of $30 and $60. The third incentive treatment, motivated by the endowment effect, offered a physical item worth $30. All three incentives had only small impacts on attendance during members’ first 6 weeks and no effect on their post-incentive visit trajectories. We document substantial overconfidence among new members about their likely visits and discuss how overconfidence may undermine the effectiveness of incentive programs.

Suggested Citation

  • Carrera, Mariana & Royer, Heather & Stehr, Mark & Sydnor, Justin, 2018. "Can financial incentives help people trying to establish new habits? Experimental evidence with new gym members," Journal of Health Economics, Elsevier, vol. 58(C), pages 202-214.
  • Handle: RePEc:eee:jhecon:v:58:y:2018:i:c:p:202-214
    DOI: 10.1016/j.jhealeco.2018.02.010
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    1. Rohde, Kirsten I.M. & Verbeke, Willem, 2017. "We like to see you in the gym—A field experiment on financial incentives for short and long term gym attendance," Journal of Economic Behavior & Organization, Elsevier, vol. 134(C), pages 388-407.
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    Cited by:

    1. Wolfgang Habla & Paul Muller, 2021. "Experimental evidence of limited attention at the gym," Experimental Economics, Springer;Economic Science Association, vol. 24(4), pages 1156-1184, December.
    2. Katare, Bhagyashree, 2021. "Do low-cost economic incentives motivate healthy behavior?," Economics & Human Biology, Elsevier, vol. 41(C).
    3. Stecher, Chad & Mukasa, Barbara & Linnemayr, Sebastian, 2021. "Uncovering a behavioral strategy for establishing new habits: Evidence from incentives for medication adherence in Uganda," Journal of Health Economics, Elsevier, vol. 77(C).
    4. Jan Marcus & Thomas Siedler & Nicolas R. Ziebarth, 2022. "The Long-Run Effects of Sports Club Vouchers for Primary School Children," American Economic Journal: Economic Policy, American Economic Association, vol. 14(3), pages 128-165, August.
    5. Arad, Ayala & Gneezy, Uri & Mograbi, Eli, 2023. "Intermittent incentives to encourage exercising in the long run," Journal of Economic Behavior & Organization, Elsevier, vol. 205(C), pages 560-573.
    6. Cobb-Clark, Deborah A. & Dahmann, Sarah C. & Kamhöfer, Daniel A. & Schildberg-Hörisch, Hannah, 2023. "Self-control and unhealthy body weight: The role of impulsivity and restraint," Economics & Human Biology, Elsevier, vol. 50(C).
    7. Bialowolski, Piotr & Weziak-Bialowolska, Dorota & McNeely, Eileen, 2021. "A socially responsible financial institution – The bumpy road to improving consumer well-being," Evaluation and Program Planning, Elsevier, vol. 86(C).
    8. Finkelstein, Eric A. & Bilger, Marcel & Baid, Drishti, 2019. "Effectiveness and cost-effectiveness of incentives as a tool for prevention of non-communicable diseases: A systematic review," Social Science & Medicine, Elsevier, vol. 232(C), pages 340-350.
    9. Homonoff, Tatiana & Willage, Barton & Willén, Alexander, 2020. "Rebates as incentives: The effects of a gym membership reimbursement program," Journal of Health Economics, Elsevier, vol. 70(C).
    10. Baillon, Aurélien & Capuno, Joseph & O'Donnell, Owen & Tan, Carlos Antonio & van Wilgenburg, Kim, 2022. "Persistent effects of temporary incentives: Evidence from a nationwide health insurance experiment," Journal of Health Economics, Elsevier, vol. 81(C).
    11. Jonathan H.W. Tan & Zhao Zichen & Daniel John Zizzo, 2023. "Scientific Inference from Field and Laboratory Economic Experiments: Empirical Evidence," Discussion Papers Series 663, School of Economics, University of Queensland, Australia.
    12. Andrej Woerner, 2021. "Overcoming Time Inconsistency with a Matched Bet: Theory and Evidence from Exercising," CESifo Working Paper Series 9503, CESifo.
    13. Andrej Woerner & Giorgia Romagnoli & Birgit M. Probst & Nina Bartmann & Jonathan N. Cloughesy & Jan Willem Lindemans, 2021. "Should Individuals Choose Their Own Incentives? Evidence from a Mindfulness Meditation Intervention," CESifo Working Paper Series 9494, CESifo.
    14. Mariana Carrera & Heather Royer & Mark Stehr & Justin Sydnor, 2020. "The Structure of Health Incentives: Evidence from a Field Experiment," Management Science, INFORMS, vol. 66(5), pages 1890-1908, May.

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    More about this item

    Keywords

    Exercise; Incentives; Endowment effect; Overconfidence;
    All these keywords.

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • D3 - Microeconomics - - Distribution
    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior

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