ACA Marketplace Premiums Grew More Rapidly In Areas With Monopoly Insurers Than In Areas With More Competition

Consumers Buy Lower-Cost Plans On Covered California, Suggesting Exposure To Premium Increases Is Less Than Commonly Reported

(2017) Jon R. Gabel et al.   HEALTH AFFAIRS

Insurer Market Power Lowers Prices In Numerous Concentrated Provider Markets

(2017) Richard M. Scheffler et al.   HEALTH AFFAIRS

Regulated Medicare Advantage And Marketplace Individual Health Insurance Markets Rely On Insurer Competition

(2017) Richard G. Frank et al.   HEALTH AFFAIRS

Narrow Networks On The Health Insurance Marketplaces: Prevalence, Pricing, And The Cost Of Network Breadth

(2017) Leemore S. Dafny et al.   HEALTH AFFAIRS

Imperfect risk adjustment, risk preferences, and sorting in competitive health insurance markets

(2017) Timothy J. Layton   JOURNAL OF HEALTH ECONOMICS

Turmoil in the Individual Insurance Market — Where It Came From and How to Fix It

(2017) Henry J. Aaron et al.   NEW ENGLAND JOURNAL OF MEDICINE

Association Between Number of Insurers and Premium Rates in the Affordable Care Act Marketplace

(2017) Jane M. Zhu et al.   JAMA Internal Medicine

Differing Impacts Of Market Concentration On Affordable Care Act Marketplace Premiums

(2016) Richard M. Scheffler et al.   HEALTH AFFAIRS

Insurer Competition In Federally Run Marketplaces Is Associated With Lower Premiums

(2015) Paul D. Jacobs et al.   HEALTH AFFAIRS

Vertical Integration: Hospital Ownership Of Physician Practices Is Associated With Higher Prices And Spending

(2014) Laurence C. Baker et al.   HEALTH AFFAIRS

Hospitals, Market Share, and Consolidation

(2013) David M. Cutler et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION