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Improving air quality in metropolitan Mexico City : an economic valuation

Author

Listed:
  • Cesar, Herman
  • Borja-Aburto, Victor H.
  • Dorland, Kees
  • Munoz Cruz, Roberto
  • Brander, Luke
  • Cropper, Maureen
  • Gonzalez Marinez, Ana Citlalic
  • Olaiz-Fernandez, Gustavo
  • Martinez Bolivar, Ana Patricia
  • Olsthoorn, Xander
  • Rosales-Castillo, Alberto
  • Soto Montes de Oca, Gloria
  • Torres-Meza, Victor
  • Uribe Ceron, Ricardo
  • Van Beukering, Pieter
  • Vega Lopez, Eduardo
  • Nino Zarazua, Max Magin
  • Nino Zarazua,Miguel Angel
  • Vergara, Walter

Abstract

Mexico City has for years experienced high levels of ozone and particulate air pollution. In 1995-99 the entire population of the Mexico City metropolitan area was exposed to annual average concentrations of fine particulate pollution (particulates with a diameter of less than 10micrometers, or PM10) exceeding 50 micrograms per cubic meter, the annual average standard in both Mexico and the United States. Two million people were exposed to annual average PM10 levels of more than 75 micrograms per cubic meter. The daily maximum one-hour ozone standard was exceeded at least 300 days a year. The Mexico Air Quality Management Team documents population-weighted exposures to ozone and PM10 between 1995 and 1999, project exposures in 2010, and computes the value of four scenarios for 2010: A 10 percent reduction in PM10 and ozone. A 20 percent reduction in PM10 and ozone. Achievement of ambient air quality standards across the metropolitan area. A 68 percent reduction in ozone and a 47 percent reduction in PM10 across the metropolitan area. The authors calculate the health benefits of reducing ozone and PM10 for each scenario using dose-response functions from the peer-reviewed literature. They value cases of morbidity and premature mortality avoided using three approaches: Cost of illness and forgone earnings only (low estimate). Cost of illness, forgone earnings, and willingness to pay for avoided morbidity (central case estimate). Cost of illness, forgone earnings, willingness to pay for avoided morbidity, and willingness to pay for avoided mortality (high estimate). The results suggest that the benefits of a 10 percent reduction in ozone and PM10 in 2010 are about $760 million (in 1999 U.S. dollars) annually in the central case. The benefits of a 20 percent reduction in ozone and PM10 are about $1.49 billion annually. In each case the benefits of reducing ozone amount to about 15 percent of the total benefits. By estimating the magnitude of the benefits from air pollution control, the authors provide motivation for examining specific policies that could achieve the air pollution reductions that they value. They also provide unit values for the benefits from reductions in ambient air pollution (for example, per microgram of PM10) that could be used as inputs into a full cost-benefit analysisof air pollution control strategies.

Suggested Citation

  • Cesar, Herman & Borja-Aburto, Victor H. & Dorland, Kees & Munoz Cruz, Roberto & Brander, Luke & Cropper, Maureen & Gonzalez Marinez, Ana Citlalic & Olaiz-Fernandez, Gustavo & Martinez Bolivar, Ana Pat, 2002. "Improving air quality in metropolitan Mexico City : an economic valuation," Policy Research Working Paper Series 2785, The World Bank.
  • Handle: RePEc:wbk:wbrwps:2785
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    References listed on IDEAS

    as
    1. Maureen L. Cropper & Nathalie B. Simon & Anna Alberini & Seema Arora & P.K. Sharma, 1997. "The Health Benefits of Air Pollution Control in Delhi," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(5), pages 1625-1629.
    2. Ostr, Bart & Sanchez, Jose Miguel & Aranda, Carlos & Eskeland, Gunnar S., 1995. "Air pollution and mortality : results from Santiago, Chile," Policy Research Working Paper Series 1453, The World Bank.
    3. Ostro, Bart D., 1987. "Air pollution and morbidity revisited: A specification test," Journal of Environmental Economics and Management, Elsevier, vol. 14(1), pages 87-98, March.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Alva González, Miguel Ángel, 2008. "Environmentally Unfriendly Consumption Behaviour: Theoretical and Empirical Evidence from Private Motorists in Mexico City," MPRA Paper 18019, University Library of Munich, Germany.

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