[fre] L'évaluation contingente est couramment utilisée pour donner un prix aux actifs naturels. Le traitement économétrique des valeurs obtenues à l'aide de cette méthode directe de révélation des préférences pose des problèmes du fait du nombre élevé (généralement autour de 50%)...

The aim of this study is to understand households? behaviour regarding waste management. A contingent valuation survey was applied to 403 persons in Paris and Villeparisis. The mean willingness to pay for an improvement of the present situation is 240 francs. 75% of the sample prefer the less...

Contingent valuation is based on the hypothesis that people are able to estimate an improvement of their well-being in terms of income reduction and that the value they give can be assimilated to a price. To test this assumption we ran 73 in-depth interviews with persons suffering from air...