Health economists use “willingness-to-pay” to assess the prospective value of novel interventions. The technique remains controversial, not least with respect to the formats under which values are elicited. The paper analyses the results of a series of studies of the same intervention valued...

Protected undeveloped areas are an important tool for land conservation in developing nations. Efficient land allocation decisions and resource management requires knowledge of non-market benefits. Using travel cost and contingent valuation data from on-site interviews and secondary data on...

The well-known study by Ferraro and Taylor (2005) on the understanding of opportunity cost has sparked considerable debate. This paper addresses one specific aspect of the question, namely the issue of units of measurement when converting goods to dollars for comparison purposes. Results...