- 计量经济学(00142) - 专业知识收录平台"> - 计量经济学(00142) - 专业知识收录平台">
A.X的绝对量变化,引起Y的绝对量变化
B.Y关于X的边际变化
C.X的相对变化,引起Y的期望值绝对量变化
D.Y关于X的弹性
正确答案是C
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