00970nam0-22002771i-450-99000318780040332120130607192807.0000318780FED01000318780(Aleph)000318780FED0100031878020030910d1999----km-y0itay50------baengIT<<A >>sample selection model for protest non-response votes in contingent valuation analysesPinuccia Calia, Elisabetta Strazzera[S.l.s.n.]1999Contributi di ricercaCRENoS, Centro ricerche economiche Nord Sud, Università degli studi di Cagliari99.5Calia,Pinuccia119370Strazzera,Elisabetta119371ITUNINARICAUNIMARCBK990003187800403321PaperSESSESSample selection model for protest non-response votes in contingent valuation analyses452081UNINA