Augustine Denteh, Helge Liebert
arXiv 18 Jan 2022 · Econometrics · publishedJournal of the Royal Statistical Society Series A (Statistics in Society) (2025) · 2 citations (OpenAlex)
arXiv:2201.07072 · PDF · DOI · OpenAlex · Extracted main text
We provide new insights regarding the headline result that Medicaid increased emergency department (ED) use from the Oregon experiment. We find meaningful heterogeneous impacts of Medicaid on ED use using causal machine learning methods. The individualized treatment effect distribution includes a wide range of negative and positive values, suggesting the average effect masks substantial heterogeneity. A small group-about 14% of participants-in the right tail of the distribution drives the overall effect. We identify priority groups with economically significant increases in ED usage based on demographics and previous utilization. Intensive margin effects are an important driver of increases in ED utilization.
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The works this paper leans on most, across its whole bibliography — not restricted to papers in our corpus. Ranked by composite intensity, which combines how often a work is mentioned, how many sections mention it, and how much of that falls in the main text rather than the appendix.
| Reference | Intensity | Mentions | Sections | Main text | |
|---|---|---|---|---|---|
| 1 | Athey \ Wager (2021) `Policy learning with observational data', Econometrica 89(1), 133–161 | 1.000 | 7 | 3 | 100% |
| 2 | Kitagawa \ Tetenov (2018) `Who should be treated? empirical welfare maximization methods for treatment choice', Econometrica 86(2), 591–616 | 1.000 | 5 | 3 | 100% |
| 3 | Athey, Tibshirani, Wager et al (2019) `Generalized random forests', The Annals of Statistics 47(2), 1148–1178 | 0.874 | 8 | 2 | 100% |
| 4 | Taubman, Allen, Wright, Baicker \ Finkelstein (2014) `Medicaid increases emergency-department use: evidence from oregon's health insurance experiment', Science 343(6168), 263–268 | 0.840 | 54 | 5 | 59% |
| 5 | Billings, Parikh \ Mijanovich (2000) `Emergency room use: the new york story', Issue Brief (Commonw Fund) 434, 1–12 | 0.737 | 5 | 4 | 40% |
| 6 | Allen, Baicker, Taubman, Wright \ Finkelstein (2013) `The oregon health insurance experiment: when limited policy resources provide research opportunities', Journal of health politi… | 0.737 | 3 | 2 | 100% |
| 7 | Giannouchos, Ukert \ Andrews (2022) `Association of medicaid expansion with emergency department visits by medical urgency', JAMA Network Open 5(6), e2216913–e2216913 | 0.737 | 3 | 2 | 100% |
| 8 | Kowalski (2021) `Reconciling seemingly contradictory results from the oregon health insurance experiment and the massachusetts health reform', R… | 0.644 | 4 | 1 | 100% |
| 9 | Finkelstein, Taubman, Allen, Wright \ Baicker (2016) `Effect of medicaid coverage on ed use—further evidence from oregon’s experiment', N Engl J Med 375(16), 1505–1507 | 0.644 | 2 | 2 | 100% |
| 10 | Garthwaite, Graves, Gross, Karaca, Marone \ Notowidigdo (2019) All medicaid expansions are not created equal: the geography and targeting of the affordable care act, Technical report, Nationa… | 0.644 | 2 | 2 | 100% |
Showing the top 10 of 47 scored citations.
arXiv econ.EM papers that cite this one, ranked by how heavily they lean on it.
| Citing paper | Intensity | Mentions | Sections | |
|---|---|---|---|---|
| 1 | 2208.01300 | 0.737 | 3 | 2 |