The inverse relationship between total consumption per person and the share spent on food is known as:
A、MalthusTheory
B、Ruleof70
C、GINIcoefficient
D、Engel'sLaw
发布时间:2024-12-19 16:24:13
A、MalthusTheory
B、Ruleof70
C、GINIcoefficient
D、Engel'sLaw