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Morbidity and pollution: model specification analysis for time-series data on hospital admissions


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  • Krumm, Ronald J.
  • Graves, Philip E.


Time-series analysis of effects of pollutants on emergency hospital admissions indicates important synergistic interactions among pollutants and to a lesser degree nonlinearities in effects of single pollutants. Comparisons of alternative econometric specifications are made to determine the appropriateness of incorporating nonuniform pollution impacts. The data substantially support the existence of synergisms among pollutants with high levels of sulfur dioxide, SO, (particulates), increasing the impact of particulates (SO,) on emergency hospital admissions. Marginal effects of either pollutant are, however, small at current ambient air quality levels. These results indicate that damage estimates were likely to be understated during the 1960’s when pollution levels were high, while, at current levels of those pollutants considered here, marginal damages are lower than would be estimated in studies failing to incorporate synergistic and nonlinear impacts.

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Bibliographic Info

Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 19906.

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Date of creation: 1982
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Handle: RePEc:pra:mprapa:19906

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Keywords: time series; hospital admissions; pollution and human health; synergisms; nonlinearities; econometric model specification;

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Cited by:
  1. McCubbin, Donald R. & Delucchi, Mark A., 1996. "The Social Cost of the Health Effects of Motor-Vehicle Air Pollution," University of California Transportation Center, Working Papers qt5jm6d2tc, University of California Transportation Center.


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