This paper proposes a semiparametric willingness to pay distribution and discusses several aspects of statistical inference with dichotomous choice contingent valuation data. We study likelihood-based estimation of the model parameters with and without controlling for unobserved heterogeneity,...

Production function studies have used the education of the head of the household or the average education of farm workers to assess the contribution of schooling to farm efficiency. In this paper I critically examine the information content of these measures by developing a team production model...