We construct price indexes for treatment of a specific illness, acute phase major depression, using treatment episodes of care (rather than fixed input bundles) to define quantity. We identify different treatment service bundles that combine varying quantities of prescription drugs, medical management and psychotherapy. We make use of results from clinical research and official government guidelines for standards of care to identify therapeutically similar treatment bundles. We then employ various index number formulae that involve differing assumptions on the extent of ex ante substitutability among these treatment bundles. Rather than using list prices, we utilize actual transactions data based on a MEDSTAT retrospective medical claims data base covering more than 400,000 individuals over the 1991-95 time period. We distinguish between consumers' direct payments (a CPI index) and total payments received by providers (a PPI). Although not directly comparable to BLS indexes indicating 15-25% price growth 1991-95, our CPI and PPI price indexes decline 20-30%, implying an average annual price differential from BLS indexes of about -15%.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
6417.
Length: Date of creation: Feb 1998 Date of revision: Handle: RePEc:nbr:nberwo:6417
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Find related papers by JEL classification: I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
David M. Cutler & Mark McClellan & Joseph P. Newhouse & Dahlia Remler, 1996.
"Are Medical Prices Declining?,"
NBER Working Papers
5750, National Bureau of Economic Research, Inc.
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