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This paper considers the implications of such measurement errors for the estimation of demand systems, and derives a consistent estimator for the special case of linear Engel curves.<\/jats:p>","DOI":"10.1002\/jae.3950010305","type":"journal-article","created":{"date-parts":[[2009,11,11]],"date-time":"2009-11-11T14:56:51Z","timestamp":1257951411000},"page":"277-286","source":"Crossref","is-referenced-by-count":73,"title":["Zero expenditures and the estimation of engel curves"],"prefix":"10.1002","volume":"1","author":[{"given":"Michael","family":"Keen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2009,11,11]]},"reference":[{"key":"e_1_2_1_2_1","unstructured":"Aasness J.(1983) \u2018Engel functions distribution of consumption and errors in variables\u2019 paper presented at the summer meeting of the European Econometric Society Pisa."},{"key":"e_1_2_1_3_1","unstructured":"Atkinson A. B. J.GomulkaandN.Stern(1984a) \u2018Household expenditure on tobacco 1970\u20131980: evidence from the family expenditure survey\u2019 Economic and Social Research Council Programme on Taxation Incentives and the Distribution of Income Discussion Paper No. 57."},{"key":"e_1_2_1_4_1","unstructured":"Atkinson A. B. J.GomulkaandN.Stern(1984b) \u2018Expenditure on alcoholic drink by households: evidence from the family expenditure survey 1970\u20131980\u2019 Economic and Social Research Council Programme on Taxation Incentives and the Distribution of Income Discussion Paper No. 60."},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/0047-2727(80)90040-7"},{"key":"e_1_2_1_6_1","doi-asserted-by":"crossref","unstructured":"Barten A. 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