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Center for Advancing Health Policy through Research

Markets and Competition

Over 70% of U.S. physicians are now employed by corporate entities, health systems, or private equity–backed firms. These shifts are reshaping how care is delivered, priced, and accessed.

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Our Markets & Competition Portfolio

Dive into our work on markets and competition — from academic research to policy briefs and real-world commentary.

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Markets and Competition

Over 70% of U.S. physicians are now employed by corporate entities, health systems, or private equity–backed firms. These shifts are reshaping how care is delivered, priced, and accessed.

About the Markets and Competition Lab

The Markets and Competition Lab examines how evolving ownership models and financial incentives influence health care prices, quality, and market structure. Ongoing projects span private equity investment, vertical integration, hospital price regulation, and insurer market dynamics. Our research bridges economics, law, and policy to identify strategies that maintain a competitive and equitable health care system.

The Big Questions

  • How can states and the federal government control health care spending without compromising access?
  • What are the trends in the corporatization of medicine, and who are the main financial players?
  • How do ownership changes affect quality, workforce stability, and patient outcomes?
  • What policies can effectively address rising health care consolidation?

Featured Work

Recent Publications

  • Commercial Insurers Paid More For Procedures At Hospital Outpatient Departments Than At Ambulatory Surgical Centers
  • Hospital- And Private Equity–Affiliated Specialty Physicians Negotiate Higher Prices Than Independent Physicians
  • Pharmaceutical Wholesalers — Under-the-Radar Middlemen?
  • Growth of Hospital Affiliations in California: Impact on Hospital Charges and Quality

Events & Policy Discussions

  • Roundtable: Profit Over Quality: Examining the Effects of Private Equity on Veteran Healthcare
  • Higher Costs, Less Competition: The Rise of Vertical Integration in the U.S. Health Care System
  • Understanding Site-Neutral Payment Policies – A Potential Path to Reduce Healthcare Costs
  • Private Equity Investments in Physician Practices in Maryland

Visualizing the Impact of the Hospital Payment Caps

The Hospital Payment Cap Simulator provides anyone from policymakers to researchers with insights into how much state employee plans across the US could save from hospital payment caps and the impact on commercial hospital operating margins.

Explore the tool

From Statehouses to Capitol Hill

Turning Evidence Into Policy

  • Our Work in Federal Policy
  • Our Work in State Policy

Experts

  • Chris Whaley

    Christopher M. Whaley Ph.D.

    Markets and Competition Lab Lead, Associate Professor of Health Services, Policy & Practice
    christopher_whaley@brown.edu
  • arnold

    Daniel Arnold Ph.D.

    Senior Research Scientist
    daniel_arnold@brown.edu
  • Jason Buxbaum

    Jason Buxbaum Ph.D., MHSA

    Assistant Professor of Health Services, Policy & Practice
    jason_buxbaum@brown.edu
  • Roslyn C. Murray

    Roslyn C. Murray Ph.D., MPP

    Assistant Professor of Health Services, Policy & Practice
    roslyn_murray@brown.edu
  • Singh

    Yashaswini Singh Ph.D.

    Assistant Professor of Health Services, Policy & Practice
    yashaswini_singh@brown.edu
  • Cartoon image of Xiaoxi Zhao

    Xiaoxi Zhao Ph.D.

    Lead Research Scientist
    xiaoxi_zhao@brown.edu

Recent News

show all markets & Competition news
Healthcare Brew

DOJ increasingly investigating health systems, claiming anticompetitive contracts

April 16, 2026
By Maia Anderson
Read Article
Stat News

HaloMD’s legal win highlights the difficulty of challenging arbitration decisions

April 16, 2026
By Tara Bannow
Read Article
Healthcare Dive

More insurance claims denials are being overturned upon appeal, study finds

April 15, 2026
By Rebecca Pifer Parduhn
Read Article
Axios

More insurer denials are being overturned

April 14, 2026
Part of the Axios Vitals Newsletter Maya Goldman, Tina Reed, and Peter Sullivan
Read Article
The growing role of private equity in healthcare

The growing role of private equity in healthcare

April 14, 2026
Podcast ft. Yashaswini Singh
By Mikaela Lefrak, Jon Ehrens
Read Article
MedPage Today

Huge Rates of Insurance Denials Get Overturned by Independent Review Experts

April 13, 2026
by Cheryl Clark
Read Article

Our funders:

Arnold Ventures logo

Commonwealth Fund logo

NIHCM Foundation logo

Patient Rights Advocate

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Our Markets & Competition Portfolio

Dive into our work on markets and competition — from academic research to policy briefs and real-world commentary.

View all
CAHPR logo

Have a question or want to get in touch with us?

Email us
Brown University School of Public Health
Providence RI 02903 401-863-3375 public_health@brown.edu

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