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Willingness to pay for private and public improvements of vulnerable road users' safety
Järnberg, Linda Andersson, (2021)
Willingness to pay for private and publicimprovements of vulnerable road users' safety
The environmental value of South Korea's mountains : a contingent valuation study
Kim, Dong-Pil, (2020)
Commodity specification and the framing of contingent-valuation questions
Boyle, Kevin J., (1989)
Dichotomous-choice, contingent-valuation questions : functional form is important
Boyle, Kevin J., (1990)
Introduction to revealed preference methods
Boyle, Kevin J., (2003)