Collins, Alan R.; Rosenberger, Randall S. - In: Agricultural and Resource Economics Review 36 (2007) 2
When using a willingness-to-pay (WTP) format in contingent valuation (CV) to value water-shed restoration, respondents may protest by questioning why they should pay to clean up a pollution problem that someone else created. Using a sample selection interval data model based on Bhat (1994) and...