Chang, Jeong-In; Yoo, Seung-Hoon; Kwak, Seung-Jun - In: Applied Economics Letters 14 (2007) 9, pp. 691-695
This study investigates the respondents' preference uncertainty in the dichotomous choice (DC) contingent valuation study for gathering information on willingness to pay (WTP). To this end, we use polychotomous choice (PC) question and DC question with certainty level for two split samples. We...