← All authors Zirui Song The University of Western Australia (per OpenAlex) · ORCID · OpenAlex
102 papers in scope · 102 published · 1 on the econ.EM arXiv · 4,568 citations · h-index 32 (over the papers listed here)
Related authors The 20 authors closest to this one in our weighted citation graph, most related first.
Susan Athey Guido W. Imbens Stefan Wager Dmitry Arkhangelsky Victor Chernozhukov Pedro H. C. Sant’Anna Davide Viviano David M. Blei Vasilis Syrgkanis David A. Hirshberg Mohsen Bayati Avi Feller Eli Ben-Michael Brantly Callaway Anish Agarwal Jonathan Roth Dennis Shen Bruno Ferman Kaspar Wüthrich Jann Spiess Proximity is measured over citations between two papers we both hold, weighted by how heavily one leans on the other, and is symmetric — it does not distinguish citing from being cited. Authors without a profile here are skipped, and a genuinely close colleague can be missing simply because their work is not in our arXiv corpus. Method: docs/06-citations-pipeline.md .
Papers (1 of 102)
Growth In Number Of Practices And Clinicians Participating In Concierge And Direct Primary Care, 2018–23
published 2025 · Health Affairs · 2 citations
with Jane M. Zhu, Trisha Marsh, Daniel Polsky, Aine Huntington
Maternity Care Bundled Payments In The Netherlands: Changes In Health Outcomes, Spending, And Care Delivery After 5 Years
published 2025 · Health Affairs
with Anouk Klootwijk, Eline F. de Vries, Xiaoheng Huang, Albert Wong, Jeroen N. Struijs
Response to “How Should We Assess Quality of Health Care Services in Organizations Owned by Private Equity Firms?”
published 2025 · The AMA Journal of Ethic
with Joseph Dov Bruch, Sneha Kannan
Hospital Staffing and Patient Outcomes After Private Equity Acquisition
published 2025 · Annals of Internal Medicine · 19 citations
with Sneha Kannan, Joseph Dov Bruch, José R. Zubizarreta, Jennifer P. Stevens
State Investments in Primary Care—5 Early Leaders of a Potential Policy Trend
published 2025 · JAMA Health Forum · 4 citations
with Sarah Hart Brown, Dru Ricci, A Tadikonda
Risk set matched difference-in-differences for the analysis of effect modification in an observational study on the impact of gun violence on health outcomes
published 2025 · The Annals of Applied Statistics · 1 citations · first circulated 2023
with Eric R. Cohn, José R. Zubizarreta
Digital transformation, green technology innovation and corporate value
published 2025 · Frontiers in Environmental Science · 8 citations
with Lijuan Zhang
Increases In Physician Professional Fees In Private Equity–Owned Gastroenterology Practices
published 2025 · Health Affairs · 13 citations
with Yashaswini Singh, Daniel Polsky, Jane M. Zhu
Variation In Hospital Salary Expenditures And Utilization Changes After Private Equity Acquisition, 2005–19
published 2025 · Health Affairs · 11 citations
with Sneha Kannan
Local Government Debt and Managerial Incentives: Evidence from China
published 2024 · International Journal of Global Economics and Management
Private Medicare plans' responses to benchmark changes and competition before and after the Affordable Care Act's payment cuts
published 2024 · Health Services Research · 3 citations
with Daria Pelech
Integrating Maternity Care Through Bundled Payments In The Netherlands: Early Results And Policy Lessons
published 2024 · Health Affairs · 4 citations
with Zoë T. M. Scheefhals, Jeroen N. Struijs, Albert Wong, Mattijs E. Numans, Eline F. de Vries
Value-Based Payment and Vanishing Small Independent Practices
published 2024 · JAMA · 10 citations
with Hayden Rooke-Ley, Jane M. Zhu
Rebuilding the Relative Value Unit–Based Physician Payment System
published 2024 · JAMA · 8 citations
with Laurence F. McMahon
Outcomes or Experiences — What Do Patients Value More When Evaluating Medical Teams?
published 2024 · NEJM Catalyst · 2 citations
with Grégory Katz, Rosalind Bell-Aldeghi, L. Radoszycki, Damien Testa, Peter J. Pitts
Protecting Patients And Society In An Era Of Private Equity Provider Ownership: Challenges And Opportunities For Policy
published 2024 · Health Affairs · 12 citations
with Christopher Cai
The New Role of Private Investment in Health Care Delivery
published 2024 · JAMA Health Forum · 8 citations
with David Cutler
Changes in Hospital Adverse Events and Patient Outcomes Associated With Private Equity Acquisition
published 2023 · JAMA · 156 citations
with Sneha Kannan, Joseph Dov Bruch
Firearm Injuries In Children And Adolescents: Health And Economic Consequences Among Survivors And Family Members
published 2023 · Health Affairs · 33 citations
with José R. Zubizarreta, Mia Giuriato, Katherine A. Koh, Chana A. Sacks
Growth In Patient Cost Sharing For Hospitalizations With And Without Intensive Care Among Commercially Insured Patients
published 2023 · Health Affairs · 5 citations
with Sneha Kannan, Jennifer P. Stevens
Increases in Medicare Spending and Use after Private Equity Acquisition of Retina Practices
published 2023 · Ophthalmology · 29 citations
with Yashaswini Singh, Christopher M. Aderman, Daniel Polsky, Jane M. Zhu
The Consequences and Future of Prior-Authorization Reform
published 2023 · New England Journal of Medicine · 15 citations
with Michael Anne Kyle
What Will Cuts to Medicare Advantage Payments Do to Enrollment?
published 2023 · JAMA Health Forum · 2 citations
Stock Market Liberalization and Earnings Management
published 2023 · Highlights in Business Economics and Management
with Yinxuan Song
Changes in Prescription Drug and Health Care Use Over 9 Years After the Large Drug Price Increase for Colchicine
published 2023 · JAMA Internal Medicine · 8 citations
with Dan P. Ly, Mia Amalia Giuriato
Changes in Out-of-Pocket Costs for US Hospital Admissions Between December and January Every Year
published 2023 · JAMA Health Forum · 1 citations
with Sneha Kannan
A Policy Framework for the Growing Influence of Private Equity in Health Care Delivery
published 2023 · JAMA · 28 citations
with Christopher Cai
Demographic And Clinical Factors Associated With Long COVID
published 2023 · Health Affairs · 40 citations
with Mia Giuriato
Dental Services Use: Medicare Beneficiaries Experience Immediate And Long-Term Reductions After Enrollment
published 2023 · Health Affairs · 25 citations
with Lisa Simon, Michael L. Barnett
Workforce Composition In Private Equity–Acquired Versus Non–Private Equity–Acquired Physician Practices
published 2023 · Health Affairs · 69 citations
with Joseph Dov Bruch, Canyon Foot, Yashaswini Singh, Daniel Polsky, Jane M. Zhu
Changes in coverage among non-elderly adults with chronic diseases following Affordable Care Act implementation
published 2022 · PLoS ONE · 3 citations
with John D. Goodson, Sara Shahbazi
Medicare Advantage Financing and Quality in Puerto Rico vs the 50 US States and Washington, DC
published 2022 · JAMA Health Forum · 6 citations
with Thomas M. Roberts
Association of Private Equity Acquisition of Physician Practices With Changes in Health Care Spending and Utilization
published 2022 · JAMA Health Forum · 170 citations
with Yashaswini Singh, Daniel Polsky, Joseph Dov Bruch, Jane M. Zhu
Primary Care and Financial Risk — Navigating the Crossroads
published 2022 · New England Journal of Medicine · 9 citations
with Dave A. Chokshi, Matthew J. Press
published 2022 · AEA Papers and Proceedings · 5 citations
Geographic Variation in Private Equity Penetration Across Select Office-Based Physician Specialties in the US
published 2022 · JAMA Health Forum · 40 citations
with Yashaswini Singh, Jane M. Zhu, Daniel Polsky
Use of private management consultants in public health
published 2021 · BMJ · 4 citations
with Joseph Dov Bruch, Justin M. Feldman
Changes in Racial and Ethnic Disparities in Access to Care and Health Among US Adults at Age 65 Years
published 2021 · JAMA Internal Medicine · 84 citations
Health And Economic Outcomes Up To Three Years After A Workplace Wellness Program: A Randomized Controlled Trial
published 2021 · Health Affairs · 19 citations
with Katherine Baicker
Making the Affordable Care Act Marketplace More Affordable
published 2021 · JAMA Health Forum
Navigating Hospital Price Transparency—a Cautionary Tale
published 2021 · Journal of General Internal Medicine · 3 citations
with Shivani A. Shah
Out-of-Network Laboratory Test Spending, Utilization, and Prices in the US
published 2021 · JAMA · 11 citations
with Timothy Lillehaugen, Jacob Wallace
Expanding Health Insurance through a Public Option—Choices and Trade-offs
published 2021 · JAMA Health Forum · 5 citations
with Suhas Gondi
Changes in Hospital Income, Use, and Quality Associated With Private Equity Acquisition
published 2020 · JAMA Internal Medicine · 131 citations
with Joseph Dov Bruch, Suhas Gondi
Expansion of Private Equity Involvement in Women’s Health Care
published 2020 · JAMA Internal Medicine · 40 citations
with Joseph Dov Bruch, Alexander Borsa, Sarah S. Richardson
Prices And Cost Sharing For Psychotherapy In Network Versus Out Of Network In The United States
published 2020 · Health Affairs · 28 citations
with Nicole M. Benson
Implications of Changes in Medicare Payment and Documentation for Primary Care Spending and Time Use
published 2020 · Journal of General Internal Medicine · 8 citations
with Sanjay Basu, Russell S. Phillips, Asaf Bitton, Bruce E. Landon
Out-Of-Network Spending Mostly Declined In Privately Insured Populations With A Few Notable Exceptions From 2008 To 2016
published 2020 · Health Affairs · 18 citations
with William Johnson, Kevin Kennedy, Jean Fuglesten Biniek, Jacob Wallace
Potential Implications of Lowering the Medicare Eligibility Age to 60
published 2020 · JAMA · 10 citations
Increasing Spending on Primary Care to Reduce Health Care Costs—Reply
published 2020 · JAMA
with Suhas Gondi
Health Care Spending And Use Among People Experiencing Unstable Housing In The Era Of Accountable Care Organizations
published 2020 · Health Affairs · 50 citations
with Katherine A. Koh, Mélanie Racine, Jessie M. Gaeta, John Goldie, Daniel P. Martin, Barry Bock, Mary Takach, James J. O’Connell
Out-of-Network Spending on Behavioral Health, 2008–2016
published 2020 · Journal of General Internal Medicine · 6 citations
with Timothy Lillehaugen, Susan H. Busch, Nicole M. Benson, Jacob Wallace
Will Increasing Primary Care Spending Alone Save Money?
published 2019 · JAMA · 17 citations
with Suhas Gondi
Private Equity Investment in Health Care—Reply
published 2019 · JAMA · 2 citations
with Suhas Gondi
Physician Payment Disparities and Access to Services—a Look Across Specialties
published 2019 · Journal of General Internal Medicine · 3 citations
with John D. Goodson, Sara Shahbazi
The Pricing of Care Under Medicare for All
published 2019 · JAMA · 7 citations
Private Plans in Medicare and Disadvantaged Populations
published 2019 · 8th Annual Conference of the American Society of Health Economists
no link
The Impact of Fee Changes on Provider Behavior: Evidence from Asymmetric Changes in Professional and Facility Fees for Heart Disease Treatments
published 2019 · 8th Annual Conference of the American Society of Health Economists
no link
Potential Implications of Private Equity Investments in Health Care Delivery
published 2019 · JAMA · 129 citations
with Suhas Gondi
The US Affordable Care Act: Reflections and directions at the close of a decade
published 2019 · PLoS Medicine · 35 citations
with Adrianna McIntyre
Health Care Spending Slowed After Rhode Island Applied Affordability Standards To Commercial Insurers
published 2019 · Health Affairs · 25 citations
with Aaron Baum, Bruce E. Landon, Russell S. Phillips, Asaf Bitton, Sanjay Basu
Improving Affordability and Equity in Medicare Advantage
published 2019 · 2 citations
with Sanjay Basu
Moving Beyond the Hospital
published 2018 · Circulation · 3 citations
with Cian P. McCarthy, Muthiah Vaduganathan
The CMS Proposal to Reform Office-Visit Payments
published 2018 · New England Journal of Medicine · 12 citations
with John D. Goodson
Payments to Medicare Advantage Plans and Plan Generosity Before and After the Affordable Care Act
published 2018 · 7th Annual Conference of the American Society of Health Economists
no link
Baby Boomers and Beds: a Demographic Challenge for the Ages
published 2017 · Journal of General Internal Medicine · 28 citations
with Timothy G. Ferris
Mortality Quadrupled Among Opioid-Driven Hospitalizations, Notably Within Lower-Income And Disabled White Populations
published 2017 · Health Affairs · 107 citations
Health Reform and Utilization of High-Volume Hospitals for Complex Cancer Operations
published 2017 · Journal of Oncology Practice · 21 citations
with Andrew P. Loehrer, David C. Chang, George J. Chang
Using Medicare Prices — Toward Equity and Affordability in the ACA Marketplace
published 2017 · New England Journal of Medicine · 9 citations
High Levels Of Capitation Payments Needed To Shift Primary Care Toward Proactive Team And Nonvisit Care
published 2017 · Health Affairs · 58 citations
with Sanjay Basu, Russell S. Phillips, Asaf Bitton, Bruce E. Landon
Insurance Transitions and Changes in Physician and Emergency Department Utilization: An Observational Study
published 2017 · Journal of General Internal Medicine · 36 citations
Association of Insurance Expansion With Surgical Management of Thyroid Cancer
published 2017 · JAMA Surgery · 27 citations
with Andrew P. Loehrer, Shilpa S. Murthy, Carrie C. Lubitz, Benjamin C. James
Lower-Versus Higher-Income Populations In The Alternative Quality Contract: Improved Quality And Similar Spending
published 2017 · Health Affairs · 22 citations
Expanding Payment Reform in Medicare
published 2016 · JAMA · 16 citations
with Daniel M. Blumenthal
MACRAeconomics: Physician incentives and behavioral economics in the Medicare Access and CHIP Reauthorization Act
published 2016 · Healthcare · 1 citations
Drivers of the Variation in Prosthetic Implant Purchase Prices for Total Knee and Total Hip Arthroplasties
published 2016 · The Journal of Arthroplasty · 47 citations
with Derek A. Haas, Kevin J. Bozic, Anthony M. DiGioia, Robert S. Kaplan
Traditional Medicare Versus Private Insurance: How Spending, Volume, And Price Change At Age Sixty-Five
published 2016 · Health Affairs · 35 citations
with Jacob Wallace
Specialty-Based Global Payment
published 2016 · JAMA · 21 citations
with Carrie H. Colla
The Early Impact Of The ‘Alternative Quality Contract’ On Mental Health Service Use And Spending In Massachusetts
published 2015 · Health Affairs · 35 citations
Health Insurance Expansion and Treatment of Pancreatic Cancer: Does Increased Access Lead to Improved Care?
published 2015 · Journal of the American College of Surgeons · 60 citations
with Andrew P. Loehrer, David C. Chang, Matthew M. Hutter, Keith D. Lillemoe, Andrew L. Warshaw, Cristina R. Ferrone
Health Care Reform and Equity in Bariatric Surgery: Does Increased Access to Care Mitigate Disparities?
published 2015 · Journal of the American College of Surgeons
with Andrew P. Loehrer, David C. Chang, Matthew M. Hutter
Introduction
published 2015 · Healthcare
with Melinda Buntin, Rachel M. Werner, Jennifer Baron
Medicare Fee Cuts and Cardiologist-Hospital Integration
published 2015 · JAMA Internal Medicine · 37 citations
with Jacob Wallace, Hannah T. Neprash, M. Richard McKellar, Michael E. Chernew, J. Michael McWilliams
Racial and Regional Disparities in the Effect of the Affordable Care Act’s Dependent Coverage Provision on Young Adult Trauma Patients
published 2015 · Journal of the American College of Surgeons · 35 citations
with John W. Scott, Alí Salim, Benjamin D. Sommers, Thomas C. Tsai, Kirstin W. Scott
The Role of Private Payers in Payment Reform
published 2015 · JAMA · 11 citations
with Dave A. Chokshi
Dependent Coverage Provision Led To Uneven Insurance Gains And Unchanged Mortality Rates In Young Adult Trauma Patients
published 2015 · Health Affairs · 38 citations
with John W. Scott, Benjamin D. Sommers, Thomas C. Tsai, Kirstin W. Scott, Aaron L. Schwartz
Health Care Spending, Utilization, and Quality 8 Years into Global Payment
published 2014 · New England Journal of Medicine · 240 citations
Rethinking Physician Payment
published 2014 · Journal of General Internal Medicine · 6 citations
with Laurence F. McMahon
Using propensity scores in difference-in-differences models to estimate the effects of a policy change
published 2014 · Health Services and Outcomes Research Methodology · 545 citations
The Impact of Global Budgets on Pharmaceutical Spending and Utilization
published 2014 · 11 citations
with Christopher C. Afendulis, A. Mark Fendrick, Bruce E. Landon, Dana Gelb Safran, Robert E. Mechanic, Michael E. Chernew
Two-Year Impact of the Alternative Quality Contract on Pediatric Health Care Quality and Spending
published 2013 · PEDIATRICS · 41 citations
with Alyna T. Chien, Michael E. Chernew, Bruce E. Landon, Barbara J. McNeil, Dana Gelb Safran, Mark A. Schuster
Competitive bidding in Medicare Advantage: Effect of benchmark changes on plan bids
published 2013 · Journal of Health Economics · 65 citations
with Mary Beth Landrum, Michael E. Chernew
The Effect of Bundled Payment on Emergency Department Use: Alternative Quality Contract Effects After Year One
published 2013 · Academic Emergency Medicine · 11 citations
with Adam L. Sharp, Dana Gelb Safran, Michael E. Chernew, A. Mark Fendrick
Global budgets and technology-intensive medical services
published 2013 · Healthcare · 45 citations
with A. Mark Fendrick, Dana Gelb Safran, Bruce E. Landon, Michael E. Chernew
The Era of Delivery System Reform Begins
published 2013 · JAMA · 46 citations
with Thomas H. Lee
Mobile Clinic In Massachusetts Associated With Cost Savings From Lowering Blood Pressure And Emergency Department Use
published 2013 · Health Affairs · 92 citations
with Caterina Hill, Jennifer Bennet, Anthony Vavasis, Nancy E. Oriol
Spending And Behavior Change: The Authors Reply
published 2012 · Health Affairs
with Michael E. Chernew
Potential Consequences of Reforming Medicare Into a Competitive Bidding System
published 2012 · JAMA · 15 citations
with David Cutler, Michael E. Chernew
The ‘Alternative Quality Contract,’ Based On A Global Budget, Lowered Medical Spending And Improved Quality
published 2012 · Health Affairs · 220 citations
with Dana Gelb Safran, Bruce E. Landon, Mary Beth Landrum, Yulei He, Robert E. Mechanic, Matthew P. Day, Michael E. Chernew
Implications for ACOs of Variations in Spending Growth
published 2012 · New England Journal of Medicine · 21 citations
with J. Michael McWilliams
Controlling Health Care Spending — The Massachusetts Experiment
published 2012 · New England Journal of Medicine · 32 citations
with Bruce E. Landon
Workplace Wellness Programs Can Generate Savings
published 2010 · Health Affairs · 1133 citations
with Katherine Baicker, David Cutler
Assembled from arXiv and OpenAlex. Duplicate records for the same paper are merged, and the published version is shown where we could identify one. Corrections welcome.
Built from arXiv and OpenAlex. Supported by UKRI grant APP47921 (Martin Weidner, UCL · Francis J. DiTraglia, Oxford).