Stated preference studies are often used to provide estimates of non-market values for cost-benefit analysis. Applications of these techniques have been criticised because of the hypothetical nature of the surveys and the possibility of bias. Various types of bias have been cited including...

Stated preference studies are often used to provide estimates of non-market values for cost-benefit analysis. Applications of these techniques have been criticised because of the hypothetical nature of the surveys and the possibility of bias. Various types of bias have been cited including...