åççµæ¸å¦ï¼ãããããããããããè±: Welfare economicsï¼ã¨ã¯ãçµæ¸å¦ã®è¦ç¯çè«ï¼è±: normative theoryï¼çç ç©¶ã®ç·ç§°ã§ãããåççµæ¸å¦ã¯ãã¯ãçµæ¸å¦ã®ä¸»è¦ãªä¸åéã¨ãã¦ä½ç½®ã¥ããããè¨å·è«çå¦ã®ææ³ãç©æ¥µçã«ç¨ãããã[1]䏿¹ã§ãå«çå¦ã¨ã坿¥ãªé¢ä¿ããã[2]ãã¾ããã¢ãã¼ä»¥éã®åççµæ¸å¦ã¯ã社ä¼é¸æçè«ï¼è±: social choice theoryï¼ã¨ããªãã®ç¨åº¦ã§å義ã§ããã ã±ãã¹ã»ã¢ãã¼ï¼1972å¹´ãã¼ãã«è³åè³ï¼ãã¢ãã«ãã£ã¢ã»ã»ã³ï¼1998å¹´ãã¼ãã«è³åè³ï¼ãã¯ãåççµæ¸å¦ããç¾å®çãããã¯ä»®æ³çãªçµæ¸ã·ã¹ãã ãçµæ¸æ¿çãæ¹å¤çã«æ¤è¨ãã人ã ã®ç¦ç¥ã®è¦³ç¹ãããã®æ§è½ãæ¹åããããã«ã代æ¿çãªçµæ¸ã·ã¹ãã ãçµæ¸æ¿çã®è¨è¨ããã³å®è£ ãä¼ã¦ãçµæ¸å¦ã®ä¸åéãã¨å®ç¾©ãã¦ãã[3]ã ãåççµæ¸å¦ãã®åç§°ã¯ã¢ã¼ãµã¼ã»ã»ã·ã«ã»ãã°ã¼ã1920å¹´ã«åº


{{#tags}}- {{label}}
{{/tags}}