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Theories of failure, failure of theories, and non-market valuation : a survey
Venkatachalam, L., (2003)
Quantitative Ansätze einer rationalen umweltpolitischen Zielbestimmung
Ewers, Hans-Jürgen, (1996)
The contigent valuation method: a review
Venkatachalam, L., (2004)
Factors influencing household willingness to pay (WTP) for water : a case study