Stevens, Dana N.2021-02-162021-02-161980http://hdl.handle.net/11693/66482The American Economic Review -- 70 (4), September 1980 -- pages 793-795.3 pages; 793-795EnglishUtility theoryMathematical modelsExternalities (Economics)CON.K1297Comparing utility functions in efficiency terms : commentCuttingHCONTURK0001297