ArticleHealth affairs (Project Hope)2021
Regulating Hospital Prices Based On Market Concentration Is Likely To Leave High-Price Hospitals Unaffected.
Article in Health affairs (Project Hope), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 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
6 citing papers in PubMed.
- Article
- The High Cost of American Health Care: Understanding the Deeper Roots of the Crisis.Health care analysis : HCA : journal of health philosophy and policy · 2026Article
- Hospital-Based Emergency and Trauma Care-The Expanding Epicenter of the US Healthcare Delivery System.Healthcare (Basel, Switzerland) · 2025Article
- Performance of health care service area definitions for capturing variation in inpatient care and social determinants of health.Health services research · 2024Article
- How price and quantity factors drive spending in nongroup and employer health plans.Health services research · 2022Article
- A Competition Perspective on Physician Non-compete Agreements.Inquiry : a journal of medical care organization, provision and financingArticle
Corrections and comments
- Commented on by
- Erratum issuedErrata.2021
Authors and funding
3 authors.
Funding
Abstract
Concern about high hospital prices for commercially insured patients has motivated several proposals to regulate these prices. Such proposals often limit regulations to highly concentrated hospital markets. Using a large sample of 2017 US commercial insurance claims, we demonstrate that under the market definition commonly used in these proposals, most high-price hospitals are in markets that would be deemed competitive or "moderately concentrated," using antitrust guidelines. Limiting policy actions to concentrated hospital markets, particularly when those markets are defined broadly, would likely result in poor targeting of high-price hospitals. Policies that target the undesired outcome of high price directly, whether as a trigger or as a screen for action, are likely to be more effective than those that limit action based on market concentration.
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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.