Cost-Sharing in Medical Care Can Increase Adult Mortality: Evidence from Colombia

Health Economics seminar
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Speaker
Marcos Vera-Hernandez
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Date
Thursday 21 Mar 2024, 12:00 - 13:00
Type
Seminar
Room
4.12
Building
Langeveld building
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There is substantial evidence that cost-sharing in medical care constrains total health spending.  However, there is relatively little (and unclear) evidence on its health effects, particularly in low- and middle-income countries. 

This paper re-evaluates the link between outpatient cost-sharing and health, studying Colombia’s entire formal sector workforce observed monthly between 2011 and 2018 with individual-level health care utilization records linked to payroll data and vital statistics. Because Colombia’s national health system imposes discrete breaks in outpatient cost-sharing requirements across the earnings distribution, we estimate a dynamic regression discontinuity model, finding that greater outpatient cost-sharing initially reduces use of outpatient care (including consultations and drugs), resulting in fewer diagnoses of common chronic diseases – and over time, increases the prevalence and severity of chronic diseases as well as use of inpatient care. Ultimately, greater outpatient cost-sharing measurably increases mortality, raising 8-year mortality by 4 deaths per 10,000 individuals. 

To the best of our knowledge, this study is the first to show a relationship between cost-sharing and adult mortality risk in a low- or middle-income country, a relationship important to incorporate into social welfare analyses of cost-sharing policies.

Online attendance

Interested individuals should contact healtheconomics@ese.eur.nl if they would like to attend the seminar online.

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Nikkil Sudharsanan (TU Munich)
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