Engel's law

noun

1. the assertion that the percentage of a family's income spent on food decreases as its income increases.

Word History and Origins

Origin of Engel's law¹

Named after Ernst Engel (1821–96), German economist

Example Sentences

But the amount spent on food as a proportion of all spending drops – a phenomenon known as Engel’s Law, after the 19th-century economist.

From Newsweek