Key points are not available for this paper at this time.
Journal Article Specification and Testing in Applied Demand Analysis Get access Angus Deaton Angus Deaton University of Bristol Search for other works by this author on: Oxford Academic Google Scholar The Economic Journal, Volume 88, Issue 351, 1 September 1978, Pages 524–536, https://doi.org/10.2307/2232051 Published: 01 September 1978
Angus Deaton (Fri,) studied this question.