This paper reports an exercise in adversarial collaboration. An adversarial collaboration is an investigation carried out jointly by two individuals or research groups who, having proposed conflicting hypotheses, seek to resolve the issue in dispute. The experiment reported was designed to...

Given the evidence against the unitary model of the household, there is a need to understand the predictions of alternative household models within the context of valuation. This paper derives the relationship between household and individual willingness to pay (WTP) for the non-cooperative...

Decision-makers have a wide variety of competing and complementary methods for non-market valuation, but there is little formal advice on the choice of method. I offer a formal approach, using a loss function (the mean square error) to compare contingent valuation, Citizens' Jury and methods...