000 00394pab a2200145 454500
008 180718b2005 xxu||||| |||| 00| 0 eng d
100 _aRavallion, Martin
245 _aOn measuring aggregate "social efficiency"
260 _c2005
300 _ap.273-92.
362 _aJan
650 _aEconomic and social development
773 _aEconomic Development and Cultural Change
909 _a65536
999 _c65536
_d65536