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Can Simple Psychological Interventions Increase Preventive Health Investment?

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  • Johannes Haushofer
  • Anett John
  • Kate Orkin
Abstract
Behavioral constraints may explain part of low demand for preventive health products. We test the effects of two light-touch psychological interventions on water chlorination and related health and economic outcomes using a randomized controlled trial among 3750 women in rural Kenya. One intervention encourages participants to visualize alternative realizations of the future; one builds participants' ability to make concrete plans. Both interventions include information on health benefits of chlorination. After twelve weeks, both interventions increase the share of households who chlorinate drinking water and reduce child diarrhea episodes. Analysis of mechanisms suggests both interventions increase self-efficacy—beliefs about one's ability to achieve desired outcomes—as well as the salience of chlorination. They do not differentially affect beliefs and knowledge about chlorination (compared to a group who receive only information), nor affect lab measures of time preferences or planning ability. Results suggest simple psychological interventions can increase use of preventive health technologies.

Suggested Citation

  • Johannes Haushofer & Anett John & Kate Orkin, 2019. "Can Simple Psychological Interventions Increase Preventive Health Investment?," NBER Working Papers 25731, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:25731
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    2. Abel,Martin & Carranza,Eliana & Geronimo,Kimberly Jean & Ortega Hesles,Maria Elena, 2022. "Can Temporary Wage Incentives Increase Formal Employment ? Experimental Evidence from Mexico," Policy Research Working Paper Series 10234, The World Bank.
    3. Lea Cassar & Mira Fischer & Vanessa Valero, 2022. "Keep Calm and Carry On: Immediate-vs. Six-Month Effects of Mindfulness Training on Academic Performance," CESifo Working Paper Series 10099, CESifo.
    4. Johannes Haushofer & Robert Mudida & Jeremy P. Shapiro, 2020. "The Comparative Impact of Cash Transfers and a Psychotherapy Program on Psychological and Economic Well-being," NBER Working Papers 28106, National Bureau of Economic Research, Inc.
    5. Aziz, Sonia & Boyle, Kevin & Akanda, Ali S. & Hanifi, M.A. & Pakhtigian, Emily L., 2022. "Early Warning Systems, Mobile Technology, and Cholera Aversion: Evidence from Rural Bangladesh," RFF Working Paper Series 22-24, Resources for the Future.
    6. Lea Cassar & Mira Fischer & Vanessa Valero, 2022. "Keep Calm and Carry On: The Short- vs. Long-Run Effects of Mindfulness Meditation on (Academic) Performance," Berlin School of Economics Discussion Papers 0002, Berlin School of Economics.
    7. Derksen, Laura & Kerwin, Jason & Reynoso, Natalia Ordaz & Sterck, Olivier, 2024. "Healthcare Appointments as Commitment Devices," IZA Discussion Papers 17070, Institute of Labor Economics (IZA).
    8. Étienne Dagorn & Martina Dattilo & Matthieu Pourieux, 2022. "Preferences matter! Political Responses to the COVID-19 and Population’s Preferences," Economics Working Paper Archive (University of Rennes & University of Caen) 2022-01, Center for Research in Economics and Management (CREM), University of Rennes, University of Caen and CNRS.
    9. Hidrobo, Melissa & Karachiwalla, Naureen & Roy, Shalini, 2023. "The impacts of cash transfers on mental health and investments: Experimental evidence from Mali," Journal of Economic Behavior & Organization, Elsevier, vol. 216(C), pages 608-630.
    10. Derksen, Laura & Kerwin, Jason Theodore & Reynoso, Natalia Ordaz & Sterck, Olivier, 2021. "Appointments: A More Effective Commitment Device for Health Behaviors," SocArXiv y8gh7, Center for Open Science.
    11. Pascaline Dupas & Basimenye Nhlema & Zachary Wagner & Aaron Wolf & Emily Wroe, 2023. "Expanding Access to Clean Water for the Rural Poor: Experimental Evidence from Malawi," American Economic Journal: Economic Policy, American Economic Association, vol. 15(1), pages 272-305, February.
    12. Gallegos, Sebastian & Roseth, Benjamin & Cuesta, Ana & Sánchez, Mario, 2023. "Increasing the take-up of public health services: An at-scale experiment on digital government," Journal of Public Economics, Elsevier, vol. 227(C).
    13. Pakhtigian, Emily L. & Aziz, Sonia & Boyle, Kevin J. & Akanda, Ali S. & Hanifi, S.M.A., 2024. "Early warning systems, mobile technology, and cholera aversion: Evidence from rural Bangladesh," Journal of Environmental Economics and Management, Elsevier, vol. 125(C).
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    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior
    • O12 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Microeconomic Analyses of Economic Development

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