Many countries have begun to require benefit-cost analysis as a way of informing key regulatory decisions. However, its actual use seem to be limited, especially in the area of environmental, health, and safety regulation. Reasons for this seem to be lack of knowledge and experience among...

In this paper we use follow-up questions to investigate whether attributes have been ignored in a choice experiment on environmental goods. This information is subsequently used in the estimation of the model by restricting the individual parameters for the ignored attributes to zero. We then...