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Characteristics of demand for antibiotics in primary care: an almost ideal demand system approach

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Author Info
Massimo Filippini (Department of Management, Technology and Economics, ETH Zurich, Switzerland)
Giuliano Masiero () (Department of Economics and Technology Management, University of Bergamo, Italy)
Karine Moschetti (Department of Economics, University of Lugano, Switzerland)

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Abstract

We model demand for different classes of antibiotics used for respiratory infections in outpatient care using a linear approximate almost ideal demand system approach. We compute elasticities to socioeconomic determinants of consumption and own- and cross- price elasticities between different groups of antibiotics. We find significant elasticities between newer/more expensive generations and older/less expensive generations of antibiotics. The larger use of more expensive antibiotics is also associated with the self-dispensing status of practices, ceteris paribus.

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Publisher Info
Paper provided by Biblioteca universitaria di Lugano (University Library of Lugano) in its series Quaderni della facoltà di Scienze economiche dell'Università di Lugano with number 0701.

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Length: 25 pages
Date of creation: Apr 2007
Date of revision:
Handle: RePEc:lug:wpaper:0701

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Web page: http://www.library.lu.usi.ch

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Related research
Keywords: Antibiotic use; Demand equations; Demand elasticities; Almost Ideal Model; Self-dispensing;

Find related papers by JEL classification:
I0 - Health, Education, and Welfare - - General
C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables
C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation

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  1. Chalfant, James A, 1987. "A Globally Flexible, Almost Ideal Demand System," Journal of Business & Economic Statistics, American Statistical Association, vol. 5(2), pages 233-42, April.
  2. Filippini, Massimo & Masiero, Giuliano & Moschetti, Karine, 2006. "Socioeconomic determinants of regional differences in outpatient antibiotic consumption: Evidence from Switzerland," Health Policy, Elsevier, vol. 78(1), pages 77-92, August. [Downloadable!] (restricted)
  3. Sara Ellison Fisher & Iain Cockburn & Zvi Griliches & Jerry Hausman, 1997. "Characteristics of Demand for Pharmaceutical Products: An Examination of Four Cephalosporins," RAND Journal of Economics, The RAND Corporation, vol. 28(3), pages 426-446, Autumn. [Downloadable!] (restricted)
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  4. Baye, Michael R & Maness, Robert & Wiggins, Steven N, 1997. "Demand Systems and the True Subindex of the Cost of Living for Pharmaceuticals," Applied Economics, Taylor and Francis Journals, vol. 29(9), pages 1179-89, September. [Downloadable!] (restricted)
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  5. Alston, Julian M & Foster, Kenneth A & Green, Richard D, 1994. "Estimating Elasticities with the Linear Approximate Almost Ideal Demand System: Some Monte Carlo Results," The Review of Economics and Statistics, MIT Press, vol. 76(2), pages 351-56, May. [Downloadable!] (restricted)
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This page was last updated on 2009-11-16.


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