Donfouet, Hermann Pythagore Pierre; Mahieu, Pierre-Alexandre - Centre de Recherche en Économie et Management (CREM) - 2011
Contingent valuation method is commonly used in the field of health economics in an attempt to help policy maker in taking decisions. The use of the double-bounded dichotomous choice format results in a substantial gain in statistical efficiency over the single bounded dichotomous choice format....