An Empirical Study of the Impact of Tort Reforms on Medical Malpractice Payments
University of Texas at Austin - School of Law
Northwestern Law & Econ Research Paper No. 06-07
Journal of Legal Studies, Forthcoming
This study evaluates the impact of six different types of tort reforms on the frequency, size and number of total annual settlements in medical malpractice cases between 1991 and 1998. Previous studies have failed to correctly identify the effective dates of reforms, to account for the retroactive applicability of striking down reforms, or used highly selected samples of jury verdicts or litigated cases. I employ a new legal data set of tort reforms, which carefully evaluates effective dates as well as when certain laws were overturned. Medical malpractice data comes from the National Practitioner Data Bank, which contains more than 100,000 malpractice settlement payments in the study time frame. The data represent the universe of cases in which doctors paid a positive settlement. Thus, the present study has significant advantages over previous work for being the first study to systematically and adequately explore the impact of tort reform on settlements (in contrast to judgments). Of the six tort reforms examined, two reforms (caps on pain-and-suffering damages and limitations on joint and several liability) reduced the number of annual payments, and two reforms (caps on pain-and-suffering damages and the periodic payment reform) reduced average awards. Caps on non-economic damages had an effect on total annual payments, although the statistical significance of that effect was weak. The joint effect of enacting all six reforms was statistically significant for reducing the number of cases but not the state level average award or total payments.
Number of Pages in PDF File: 47
Keywords: medical malpractice, torts, tort reform, empiricial work, NPDB, DSTLR
JEL Classification: I1, K1, K13Accepted Paper Series
Date posted: July 10, 2006
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