The Evolution of Physician Practice Styles: Evidence from Cardiologist Migration

69 Pages Posted: 8 Aug 2016

See all articles by David Molitor

David Molitor

University of Illinois at Urbana-Champaign

Date Written: August 2016

Abstract

Physician treatment choices for observably similar patients vary dramatically across regions. This paper exploits cardiologist migration to disentangle the role of physician- specific factors such as preferences and learned behavior versus environment-level factors such as hospital capacity and productivity spillovers on physician behavior. Physicians starting in the same region and subsequently moving to dissimilar regions practice similarly before the move. After the move, physician behavior in the first year changes by 0.6-0.8 percentage points for each percentage point change in practice environment, with no further changes over time. This suggests environment factors explain between 60-80 percent of regional disparities in physician behavior.

Suggested Citation

Molitor, David, The Evolution of Physician Practice Styles: Evidence from Cardiologist Migration (August 2016). NBER Working Paper No. w22478. Available at SSRN: https://ssrn.com/abstract=2819864

David Molitor (Contact Author)

University of Illinois at Urbana-Champaign ( email )

601 E John St
Champaign, IL 61820
United States

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