Immunization and Moral Hazard: The HPV Vaccine and Uptake of Cancer Screening

Ali Moghtaderi and Avi Dor

No 22523, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Immunization can cause moral hazard by reducing the cost of risky behaviors. In this study, we examine the effect of HPV vaccination for cervical cancer on participation in the Pap test, which is a diagnostic screening test to detect potentially precancerous and cancerous process. It is strongly recommended for women between 21-65 years old even after taking the HPV vaccine. A reduction in willingness to have a Pap test as a result of HPV vaccination would signal the need for public health intervention. The HPV vaccination is recommended for women age eleven to twelve for regular vaccination or for women up to age 26 not vaccinated previously. We present evidence that probability of vaccination changes around this threshold. We identify the effect of vaccination using a fuzzy regression discontinuity design, centered on the recommended vaccination threshold age. The results show no evidence of ex ante moral hazard in the short-run. Sensitivity analyses using alternative specifications and subsamples are in general agreement. The estimates show that women who have been vaccinated are actually more likely to have a Pap test in the short-run, possibly due to increased awareness of its benefits.

JEL-codes: I10 I12 (search for similar items in EconPapers)
Date: 2016-08
New Economics Papers: this item is included in nep-hea
Note: EH
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Citations: View citations in EconPapers (3)

Published as Ali Moghtaderi & Avi Dor, 2021. "Immunization and Moral Hazard: The HPV Vaccine and Uptake of Cancer Screening," Medical Care Research and Review, vol 78(2), pages 125-137.

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