NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Does Multispecialty Practice Enhance Physician Market Power?

Laurence C. Baker, M. Kate Bundorf, Daniel P. Kessler

NBER Working Paper No. 23871
Issued in September 2017

---- Acknowledgements ----

We would like to thank Aileen Devlin for exceptional research assistance and Jonathan Levin, Richard Lindrooth, and other participants at ASHEcon for helpful comments. All errors are our own. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

---- Disclosure of Financial Relationships for Laurence C. Baker ----

Baker has served as a consultant to Kaiser Permanente, the National Institute for Health Care Management, Cornerstone Research and as an expert in litigation matters involving health insurers, health care providers, and makers of health care supplies and equipment.

---- Disclosure of Financial Relationships for Daniel P. Kessler ----

In the last three years, Kessler has received speaking and/or consulting fees from the California State Compensation Insurance Fund, other insurers, Aon Hewitt, Sutter Health, and other hospitals. He is a senior advisor at Cornerstone Research, a provider of litigation consulting services.

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