00965nam0-22003131i-450-99000684236040332120001010000684236FED01000684236(Aleph)000684236FED0100068423620001010d--------km-y0itay50------baitay-------001yyEnvironmental option values, uncertainty aversion and learningMarcello Basili and Alessandro Vercelli.MilanoFondazione Eni1996.31 p.23 cmNote di lavoro della Fondazione ENI Enrico Mattei91330.9Basili,Marcello79296Vercelli,AlessandroITUNINARICAUNIMARCBK990006842360403321COLLEZ. 1702 (91)30056FSPBCFSPBCEnvironmental option values, uncertainty aversion and learning297731UNINAGEN01