NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Jeffrey Clemens

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Working Papers

February 2014Regulatory Redistribution in the Market for Health Insurance
w19904
In the early 1990s, several U.S. states enacted community rating regulations to equalize the health insurance premiums paid by the healthy and the sick. Consistent with severe adverse selection pressures, their private coverage rates fell by around 8 percentage points more than rates in comparable markets over subsequent years. By the early 2000s, following substantial public insurance expansions, coverage rates in several of these states had improved significantly. As theory predicts, recoveries were largest where public coverage expanded disproportionately for high cost populations. The analysis highlights that the incidence of public insurance and community rating regulations are tightly intertwined.
December 2013The Effect of U.S. Health Insurance Expansions on Medical Innovation
w19761
I study the channels through which health insurance influences medical innovation. Following Medicare and Medicaid's passage, I find that U.S.-based medical-equipment patenting rose by 40 to 50 percent relative to both other U.S. patenting and foreign medical-equipment patenting. Within the United States, increases in medical-equipment patenting were most dramatic in states where the Great Society insurance expansions were largest and in which there were large baseline numbers of physicians per resident. Consistent with historical case studies, Medical innovation's determinants extend beyond the potential revenues associated with global market size; a physician driven process of innovation-while-doing appears to play a central role. An extrapolation of the evidence suggests that the la...
October 2013Who Pays for Public Employee Health Costs?
with David M. Cutler: w19574
We analyze the incidence of public-employee health benefits. Because these benefits are negotiated through the political process, relevant labor market institutions deviate significantly from the competitive, private-sector benchmark. Empirically, we find that roughly 15 percent of the cost of recent benefit growth was passed onto school district employees through reductions in wages and salaries. Strong teachers’ unions were associated with relatively strong linkages between benefit growth and growth in total compensation. We further find that when economic conditions are poor, straining public budgets, benefit growth is more readily shifted back to public employees. Our analysis is consistent with the view that the costs of public workers’ benefits are difficult to monitor, contribu...
Bargaining in the Shadow of a Giant: Medicare's Influence on Private Payment Systems
with Joshua D. Gottlieb: w19503
We analyze Medicare's influence on private payments for physicians' services. Using a large administrative change in surgical relative to medical reimbursements, we find that private prices follow Medicare's lead. A $1 change in Medicare's relative payments moves private payments by $1.20. Results are similar when Medicare alters overall reimbursement levels. Medicare thus strongly influences both relative valuations and aggregate expenditures. Medicare's price transmission is strongest when physician groups are numerous and competitive. Transaction and bargaining costs may lead the development of payment systems to suffer from a classic coordination problem. Improvements in Medicare's payment models may therefore be public goods.

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