Healthcare Economist February 1, 2023
According to a recent paper by Wallace (2023), the answer is ‘yes’, but it does so in a highly inefficient manner. Using 2008-2012 Medicaid data from the New York State Department of Health, the author find that:
Leveraging the random assignment of over 50,000 Medicaid enrollees in New York, I present causal evidence that narrower networks are a blunt instrument for reducing health care spending. While narrower networks constrain spending, they do so by generating hassle costs that reduce quantity, with modest effects on prices paid to providers. Enrollees assigned to narrower networks use fewer of both needed and unneeded services and are less satisfied with their plans. Using my causal estimates to construct counterfactuals, I identify an alternative...
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