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Positively Aware? Conflicting Expert Reviews and Demand for Medical Treatment

Author

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  • Jorge F. Balat
  • Nicholas W. Papageorge
  • Shaiza Qayyum

Abstract

We study the impact of expert reviews on the demand for HIV treatments. A novel feature of our study is that we observe two reviews for each HIV drug and focus attention on consumer responses when experts disagree. Reviews are provided by both a doctor and an activist in the HIV lifestyle magazine Positively Aware, which we merge with detailed panel data on HIV-positive men’s treatment consumption and health outcomes. To establish a causal relationship between reviews and demand, we exploit the arrival of new drugs over time, which provides arguably random variation in reviews of existing drugs. We find that when doctors and activists agree, positive reviews increase demand for HIV drugs. However, doctors and activists frequently disagree, most often over treatments that are effective, but have harsh side effects, in which case they are given low ratings by the activist, but not by the doctor. In such cases, relatively healthy consumers favor drugs with higher activist reviews, which is consistent with a distaste for side effects. This pattern reverses for individuals who are in worse health and thus face stronger incentives to choose more effective medication despite side effects. Findings suggest that consumers demand information from experts whose review is more aligned to their preferences over health versus side effects, which can vary by health status.

Suggested Citation

  • Jorge F. Balat & Nicholas W. Papageorge & Shaiza Qayyum, 2018. "Positively Aware? Conflicting Expert Reviews and Demand for Medical Treatment," NBER Working Papers 24820, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:24820
    Note: AG EH PE PR
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    Cited by:

    1. Jessica Goldberg & Mario Macis & Pradeep Chintagunta, 2023. "Incentivized Peer Referrals for Tuberculosis Screening: Evidence from India," American Economic Journal: Applied Economics, American Economic Association, vol. 15(1), pages 259-291, January.
    2. Burlando, Alfredo & Chintagunta, Pradeep & Goldberg, Jessica & Graboyes, Melissa & Hangoma, Peter & Karlan, Dean & Macis, Mario & Prina, Silvia, 2024. "Passing the message: Peer outreach about COVID-19 precautions in Zambia," Journal of Development Economics, Elsevier, vol. 171(C).
    3. Goldberg, Jessica & Macis, Mario & Chintagunta, Pradeep, 2018. "Leveraging Patients' Social Networks to Overcome Tuberculosis Underdetection: A Field Experiment in India," IZA Discussion Papers 11942, IZA Network @ LISER.

    More about this item

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
    • M3 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising

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