エンゲルの法ほう則そく

noun

Engel's law

An economic principle stating that as household income rises, the proportion spent on food declines, even if absolute food spending increases. Named after the German statistician Ernst Engel.

• エンゲルの法ほう則そくによれば、所しょ得とくが増ふえると食しょく費ひの割わり合あいは下さがる。

  According to Engel's law, as income increases, the proportion spent on food decreases.