Liability, insurance and defensive medicine: new evidence
AbstractFor the first time, we test for effects of liability on hospital care using measures of current perceptions of litigation risk at hospital level; in particular, the risk-sharing arrangements agreed between hospitals and their insurers. GMM and ML estimators are used to allow for possible endogeneity of risksharing arrangements. Our findings are consistent with the exercise of liabilityinduced discretion by hospitals, especially regarding use of costly diagnostic imaging. Hospitals facing higher expected litigation costs also use these tests more frequently, after controlling for activity levels, casemix and treatment outcome; the latter indicating that defensive medicine may be present. We also find evidence of fewer new claims against these hospitals, given adverse events, which may indicate the increased use of claims management processes by hospital managers concerned at the expected cost of litigation.
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Bibliographic InfoPaper provided by School of Economics, University of Surrey in its series School of Economics Discussion Papers with number 0304.
Length: 40 pages
Date of creation: Jul 2004
Date of revision:
Medical malpractice; defensive care; insurance; litigation;
Find related papers by JEL classification:
- I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
- K13 - Law and Economics - - Basic Areas of Law - - - Tort Law and Product Liability; Forensic Economics
This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-01-24 (All new papers)
- NEP-IAS-2006-01-24 (Insurance Economics)
- NEP-LAW-2006-01-24 (Law & Economics)
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