David Ennis

David Ennis is a 1972 graduate of the University of Chicago Graduate School of Business (now Booth). Prior to retiring, he had spent over forty years in the healthcare market in hospital management and in strategic consulting across the US and in Canada. He has maintained a keen interest in healthcare through the study of health economics research and health policy proposals.

The Unchecked Market Power of the American Health Care System

Chicago Booth alumnus and retired health care consultant David W. Ennis responds to ProMarket’s recent coverage on antitrust and the US health...

Latest news

New Study Warns Antitrust Inaction May Lead To Acceptable Collusion for Public Policy Considerations

The modernization of EU antitrust laws muddied the water with regard to the ways that antitrust authorities and courts should handle situations...

Dark Money Dominates Spending by Special Interest Groups and Sways Elections

New research on undisclosed and unlimited political contributions, or dark money, exposes the increasing role that such funds play in U.S. elections.

The “Conspiracy” of Consumer Welfare Theory

Matt Stoller argues there was a conspiracy. It was more of an association with a singular purpose.

Researchers Find Reduced Competition After Pandemic

The chart of the week comes from a new research paper that documents the increase in small business closures during the Covid...

Voters Still Believe Politics is About the Common Good, Not Just Rent-Seeking

Do voters still believe that politics can be a source for common-good policies and not just partisan bickering and rent-seeking? With political...

How to Design Data Protection Laws That Actually Work 

More and more countries are passing data protection laws, yet empirical studies show that these laws rarely deliver on their promises. A...

Are Monopolists or Cartels the True Source of Anticompetitive US Political Power?

Trade associations are often the biggest obstacles to competitive markets, especially when those organizations use their influence to change public policy in...