Excerpt: “Asthma is a non-communicable and non-curable lung disease that affects one in ten children and four in a hundred adults worldwide and that is associated with an array of environmental contaminants and chemicals. Many of these hazards are subject to regulation, or may be considered for regulation, in order to reduce exposures and prevent human health risks. However, valuation estimates for a reduction in the risk and severity of asthma that can be used in cost-benefit analyses are few, particularly willingness-to-pay estimates. In particular, the available information on willingness-to-pay (WTP) to avoid asthma or reduce its severity is incomplete and does not provide estimates compatible with welfare economic theory. This paper is part of the series of large scale WTP studies resulting from the Surveys to elicit Willingness to pay to Avoid Chemicals related negative Health Effects (SWACHE) project that intends to improve the basis for doing cost benefit analyses of chemicals management options and environmental policies in general.”
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