Talk:Engel curve

It would be nice if this page on the subject of a curve, a graphical representation of an economic concept, would actually have a picture of an example curve. — Preceding unsigned comment added by 137.224.241.19 (talk) 12:52, 12 November 2012 (UTC)

External links modified
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 * Added archive https://web.archive.org/web/20110629172235/http://www.griffith.edu.au/__data/assets/pdf_file/0020/251462/2010-09-the-evolution-of-engel-curves-and-its-implications-for-structural-change.pdf to http://www.griffith.edu.au/__data/assets/pdf_file/0020/251462/2010-09-the-evolution-of-engel-curves-and-its-implications-for-structural-change.pdf

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Cheers.— InternetArchiveBot  (Report bug) 10:28, 24 December 2016 (UTC)

Engel curves for luxury/necessary goods
The article states that for luxury goods, the Engel curve bends toward the X-axis. This seems not to be true: with income M, the Engel curve x(M)=M-1/M bends toward the Y-axis, and yet this is a luxury good. — Preceding unsigned comment added by 145.5.115.79 (talk) 10:14, 20 November 2017 (UTC)