References

• 1986Errors in variables in panel data1,625 cited
• 2014Vertical Integration: Hospital Ownership Of Physician Practices Is Associated With Higher Prices And Spending335 cited
• 1993Competition in a Market for Informed Experts' Services308 cited
• 2006Lectures on Antitrust Economics295 cited
• 2015Association of Financial Integration Between Physicians and Hospitals With Commercial Health Care Prices196 cited
• 2010Does vertical integration affect firm performance? Evidence from the airline industry195 cited
• 2005Strategic integration of hospitals and physicians187 cited
• 2018The effect of hospital acquisitions of physician practices on prices and spending165 cited
• 2007How Does Outsourcing Affect Performance Dynamics? Evidence from the Automobile Industry155 cited
• 1999Antitrust and Competition in Health Care Markets149 cited
• 2010The Effect of Mergers on Consumer Prices: Evidence from Five Mergers on the Enforcement Margin147 cited
• 2014Physician Practice Competition and Prices Paid by Private Insurers for Office Visits144 cited
• 2013Horizontal and Vertical Integration of Physicians: A Tale of Two Tails123 cited
• 2016Physician Consolidation: Rapid Movement From Small To Large Group Practices, 2013–15118 cited