買一送一是需求還是需求量變化 - 經濟

By Charlie
at 2019-05-21T14:26
at 2019-05-21T14:26
Table of Contents
有高二學生問買一送一為需求或需求量變化
我回答買一送一等同於該商品打五折
因此是需求量變化
但他們學校的公民老師認為是偏好影響
因此是需求變化
在此向請高手們求解
謝謝
--
我回答買一送一等同於該商品打五折
因此是需求量變化
但他們學校的公民老師認為是偏好影響
因此是需求變化
在此向請高手們求解
謝謝
--
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