Increasingly, the assessment of health prevention policies is evaluated through willingness to pay (wtp) surveys. When the evaluation deals with policies with a public dimension, the individual?'s stated wtp can reflect an altruistic component, which may alter the results of the economic...

This article introduces the main results of a contextual contingent valuation survey (i.e. specific to the underlying risk) dealing with a change in air pollution exposition. Individual willingness-to-pay for both health (morbidity and mortality) and non-health effects are elicited. The use of...