Which doctor? Combining vignettes and item response to measure doctor quality
The authors develop a method in which vignettes-a battery of questions for hypothetical cases-are evaluated with item response theory to create a metric for doctor quality. The method allows a simultaneous estimation of quality and validation of the test instrument that can be used for further refinements. The authors apply the method to a sample of medical practitioners in Delhi, India. The method gives plausible results, rationalizes different perceptions of quality in the public and private sectors, and pinpoints several serious problems with health care delivery in urban India. The findings confirm, for instance, that the quality of private providers located in poorer areas of the city is significantly lower than those in richer neighborhoods. Surprisingly, similar results hold for providers in the public sector, with important implications for inequities in the availability of health care.
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"When Can School Inputs Improve Test Scores?,"
CSAE Working Paper Series
2004-25, Centre for the Study of African Economies, University of Oxford.
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"Density versus quality in health care provision: Using household data to make budgetary choices in Ethiopia,"
CSAE Working Paper Series
2002-17, Centre for the Study of African Economies, University of Oxford.
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"Money for nothing: The dire straits of medical practice in Delhi, India,"
Journal of Development Economics,
Elsevier, vol. 83(1), pages 1-36, May.
- Das, Jishnu & Hammer, Jeffrey, 2005. "Money for nothing : the dire straits of medical practice in Delhi, India," Policy Research Working Paper Series 3669, The World Bank.
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