File:He derivation process of the Engel curve.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:07, 23 April 2021		1,242 × 548 (73 KB)	YingLiu1234	Uploaded a work by J.Singh from https://www.economicsdiscussion.net/cardinal-utility-analysis/notes-on-income-consumption-curve-and-engel-curve-with-curve-diagram/1040 with UploadWizard

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