The use of a contingent valuation (CV) method is controversial among economists because it is based on hypothetical rather than real economic choices. This paper reports the results of an experiment designed to elicit the real and the hypothetical willingness to pay (WTP) for a private good. The...

In many experiments, experimenters use the random lottery incentive mechanism and ask many questions to each subject. That is, at the end of the experiment, just one of the questions is picked at random, and the subject paid on the basis of their answer to this one question. The idea is that...