SherriPrae 發表於 前天 03:40

Economics Concepts Videos By The Economics Tutor.

Earnings flexibility of need (YED) is the economist free for students (just click the following post) a step of the responsiveness of demand for a provided good to the modification in earnings, ceteris paribus.
頁: [1]
查看完整版本: Economics Concepts Videos By The Economics Tutor.