| 释义 |
en·gel's law
\ˈeŋ(g)əlz-\ noun
Usage: usually capitalized E
Etymology: after Ernst Engel died 1896 German statistician and economist
: a generalization in economics: as family income increases, the percentage spent for food decreases, that spent for clothing, rent, heat, and light remains the same, while that spent for education, health, and recreation increases |