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Auditing the Producer Price Index: Micro Evidence from Prescription Pharamceutical Preparations

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Author Info
Berndt, Ernst R
Griliches, Zvi
Rosett, Joshua G

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Abstract

From January 1984 through December 1989, the Bureau of Labor Statistics (BLS) price index for prescription pharmaceuticals grew at 9.09 percent per year. Using BLS-type Laspeyres index procedures with monthly price and quantity data on all prescription pharmaceuticals sold by four U.S. pharmaceutical manufacturers accounting for 24 percent of industry domestic sales, we find that the four-company index increases at 6.68 percent per year. When we employ a Divisia price index with smoothed weights incorporating new goods, the index grows 6.03 percent per year. Why does the BLS index grow 50 percent more rapidly than the Divisia index? That mystery is the focal point of our article.

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Publisher Info
Article provided by American Statistical Association in its journal Journal of Business and Economic Statistics.

Volume (Year): 11 (1993)
Issue (Month): 3 (July)
Pages: 251-64
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Handle: RePEc:bes:jnlbes:v:11:y:1993:i:3:p:251-64

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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.:
  1. Diewert, W.E., 1988. "The Early History Of Pric Index Research," UBC Departmental Archives 88-26, UBC Department of Economics.
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  2. Ernst R. Berndt & Zvi Griliches, 1990. "Price Indexes for Microcomputers: An Exploratory Study," NBER Working Papers 3378, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  3. Ernst R. Berndt & Zvi Griliches & Joshua G. Rosett, 1990. "On the Accuracy of Producer Price Indexes for Pharmaceutical Preparations: An Audit Based on Detailed Firm-Specific Data," NBER Working Papers 3490, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  4. Diewert, Erwin, 2007. "Index Numbers," UBC Departmental Archives diewert-07-01-03-08-17-23, UBC Department of Economics, revised 31 Jan 2007. [Downloadable!]
  5. Hulten, Charles R, 1973. "Divisia Index Numbers," Econometrica, Econometric Society, vol. 41(6), pages 1017-25, November. [Downloadable!] (restricted)
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(explanations, 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.)

  1. Sara Fisher Ellison & Catherine Wolfram, 2001. "Pharmaceutical Prices and Political Activity," NBER Working Papers 8482, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  2. Andrew Ching, 2000. "Dynamic Equilibrium in the US Prescription Drug Market After Patent Expiration," Econometric Society World Congress 2000 Contributed Papers 1242, Econometric Society. [Downloadable!]
  3. Tor Jakob Klette & Zvi Griliches, 1997. "Empirical Patterns of Firm Growth and R&D Investment: A Quality Ladder Model Interpretation," NBER Working Papers 5945, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  4. Ernst R. Berndt & David M. Cutler & Richard G. Frank & Zvi Griliches & Joseph P. Newhouse, 1998. "Price Indexes for Medical Care Goods and Services: An Overview of Measurement Issues," NBER Working Papers 6817, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  5. Jack E. Triplett, 1997. "Measuring consumption: the post-1973 slowdown and the research issues," Review, Federal Reserve Bank of St. Louis, issue May, pages 9-42. [Downloadable!]
  6. W. Erwin Diewert, 1995. "Axiomatic and Economic Approaches to Elementary Price Indexes," NBER Working Papers 5104, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  7. Perloff, Jeffrey M. & Suslow, Valerie Y. & Seguin, Paul J., 1996. "Higher prices from entry : pricing of brand-name drugs," CUDARE Working Paper Series 778, University of California at Berkeley, Department of Agricultural and Resource Economics and Policy. [Downloadable!]
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  8. Rexford Santerre & John A. Vernon, 2005. "Assessing Consumer Gains from a Drug Price Control Policy in the U.S," NBER Working Papers 11139, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  9. Ernst R. Berndt & Iain M. Cockburn & Douglas L. Cocks & Arnold Epstein & Zvi Griliches, 1997. "Is Price Inflation Different for the Elderly? An Empirical Analysis of Prescription Drugs," NBER Working Papers 6182, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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