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An efficient estimation method for testing the construct validity of contingent valuation questioning methods
Kealy, Mary Jo; Turner, Robert Walter - 1990
Persistent link: https://www.econbiz.de/10000858779
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A test of the equality of closed-ended and open-ended contingent valuations
Kealy, Mary Jo - In: American journal of agricultural economics 75 (1993) 2, pp. 321-331
Persistent link: https://www.econbiz.de/10001147477