00787nam0-22002771i-450-990003036970403321000303697FED01000303697(Aleph)000303697FED0100030369720000920d--------km-y0itay50------baitaIT<<A \ >>Contribution to the Theory of Welfare ComparisonsMartin L. WeitzmanWorking paper seriesNBER6988Welfare StateNuovi modelliM/1.1Weitzman,Martin L.<1942- >ITUNINARICAUNIMARCBK990003036970403321PaperSESSESContribution to the Theory of Welfare Comparisons463634UNINAING01