ArticleJournal of econometrics2021
Disentangling Moral Hazard and Adverse Selection in Private Health Insurance.
Article in Journal of econometrics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
11 citing papers in PubMed.
- Does health insurance increase health care utilization? Evidence of ex-post moral hazard from the Social Security Scheme in Thailand.Health policy and planning · 2026Article
- Analyzing governance of a sub-national health insurance scheme for providing universal health care and better social health protection performance through the lenses of the principal-agent theory in Anambra state.BMC health services research · 2026Article
- Factors influencing the decision to opt out of basic medical insurance among China's migrant population: a logistic regression analysis.Frontiers in public health · 2026Article
- Requiring continuous enrollment during follow-up? A call for robust research methods.Journal of managed care & specialty pharmacy · 2025Article
- Adverse Selection as a Barrier to Achieving Universal Public Health Insurance Coverage in China.Risk management and healthcare policy · 2025Article
- Estimating the adverse selection and moral hazard in Urban and Rural Resident Basic Medical Insurance of China: a semi-parametric estimation approach.Frontiers in public health · 2025Article
- Patient Factors Associated With Use of Adult Primary Care and Virtual Visits During the COVID-19 Pandemic.Medical care · 2023Article
- Plan Selection, Enrollee Risk, and Health Spending on the Patient Protection and Affordable Care Act Individual Marketplaces, 2019.JAMA network open · 2023Article
- A Linear Decomposition Approach to Explain Excess Direct Healthcare Expenditures Associated with Pain Among Adults with Osteoarthritis.Health services insights · 2022Article
- Creating ethics guidelines for artificial intelligence and big data analytics customers: The case of the consumer European insurance market.Patterns (New York, N.Y.) · 2021Article
- How Public Trust in Health Care Can Shape Patient Overconsumption in Health Systems? The Missing Links.International journal of environmental research and public health · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
Abstract
Moral hazard and adverse selection create inefficiencies in private health insurance markets and understanding the relative importance of each factor is critical for addressing these inefficiencies. We use claims data from a large firm which changed health insurance plan options to isolate moral hazard from plan selection, estimating a discrete choice model to predict household plan preferences and attrition. Variation in plan preferences identifies the differential causal impact of each health insurance plan on the entire distribution of medical expenditures. Our estimates imply that 53% of the additional medical spending observed in the most generous plan in our data relative to the least generous is due to adverse selection. We find that quantifying adverse selection by using prior medical expenditures overstates the true magnitude of selection due to mean reversion. We also statistically reject that individual health care consumption responds solely to the end-of-the-year marginal price.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.