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Disentangling spillover effects of antibiotic consumption: a spatial panel approach

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  • Laura González

    (Department of Economics, University of Lugano, Switzerland)

  • Giuliano Masiero

    () (Department of Economics and Technology Management, University of Bergamo, Italy)

Abstract

Literature on socioeconomic determinants of antibiotic consumption in the community is limited to few countries using cross-sectional data. This paper analyses regional variations in outpatient antibiotics in Italy using a balanced panel dataset covering the period 2000-2008. We specify an econometric model where antibiotic consumption depends upon demographic and socioeconomic characteristics of the population, the supply of health care services in the community, and antibiotic copayments. The model is estimated by means of Ordinary least squares techniques with fixed effects (FE). The implications of consumption externalities across geographical areas are investigated by means of spatial-lag and spatial-error models (SLFE and SEFE). We find significant and positive income elasticity and negative effects of copayments. Antibiotic use is also affected by the age structure of the population and the supply of community health care. Finally, we find evidence of spatial dependency in the use of antibiotics across regions. This suggests that regional policies (e.g. public campaigns) aimed at increasing efficiency in antibiotic consumption and controlling bacterial resistance may be influenced by policy makers in neighbouring regions. There will be scope for a strategic and coordinated view of regional policies towards the use of antibiotics.

Suggested Citation

  • Laura González & Giuliano Masiero, 2011. "Disentangling spillover effects of antibiotic consumption: a spatial panel approach," Quaderni della facoltà di Scienze economiche dell'Università di Lugano 1106, USI Università della Svizzera italiana.
  • Handle: RePEc:lug:wpaper:1106
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    References listed on IDEAS

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    Cited by:

    1. Vincenzo Atella & Federico Belotti & Domenico Depalo & Andrea Piano Mortari, 2013. "Measuring spatial effects in presence of institutional constraints: the case of Italian Local Health Authority expenditure," CEIS Research Paper 278, Tor Vergata University, CEIS, revised 08 May 2013.

    More about this item

    Keywords

    Antibiotic consumption; Socioeconomic inequalities; Spatial dependency; Regional policies.;

    JEL classification:

    • I0 - Health, Education, and Welfare - - General
    • C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables

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