00533pab a2200157 454500008004000000100001700040245009600057260000900153300001400162362000800176650001200184773004800196909001000244999001700254952010400271180718b2002   xxu||||| |||| 00| 0 eng d  aGibson, John  aWhy does the Engel method work? Food demand, economies of size and household survey methods  c2002  ap.341-59.  aSep  aPoverty  aOxford Bulletin of Economics and Statistics  a54449  c54449d54449  00104070aIIPAbIIPAd2018-07-19hVolume no: 64, Issue no: 4pAR54894r2018-07-19w2018-07-19yAR