The use of most nonmarket valuation techniques is predicated on respondents paying additional amounts of money for increased provision of a public good. However, in many circumstances this may not be appropriate. Treaty rights or the capacity of a government to raise and collect taxes in the...

The ordinal scale and polychotomous choice methods are two widely used techniques for estimating preference uncertainty in stated preference studies. This article presents the results of two experiments that apply these estimation techniques. The first experiment was designed to compare and...