Environmental management has benefits, not just costs, and analysis can help focus efforts to get more benefits out of each dollar. Among children in Santiago, Chile, reduced concentrations of small dust particles (PM10) will reduce a range of symptoms, from coughs to bronchitis.Ostro, Eskeland,...

The authors estimate dose-response functions for respiratory disease among children based on data from public clinics in Santiago. They find that respiratory disease among Santiago s children is significantly affected by air pollution, measured as PM10 (small dust particles). The effect, for...

In Mexico City, a ban restricting each car from driving on a specified work-day actually increased total driving and congestion. In November 1989, Mexico City's administration imposed a regulation banning each car from driving on a specific day of the week. The regulation has been both popular...

In November 1989, Mexico City's administration imposed a regulation banning each car from driving on a specific day of the week. The regulation has been both popular and controversial. Some feel that it is a reasonable concession aimed at alleviating congestion and pollution problems. Others...