Kang, Heechan; Haab, Timothy C.; Interis, Matthew G. - In: Resource and Energy Economics 35 (2013) 3, pp. 396-411
We develop a new but simple non-parametric method to diagnose inconsistency in double-bounded contingent valuation questions in the presence of both perfect and imperfect correlation between initial and follow-up response distributions. The proposed method can identify inconsistency in iterative...