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7  面包和肉肠是互补品。我们观察到面包的均衡价格与肉肠的均衡数量同时上升。什么因素引起这种变动形式( )

多选题
2021-09-03 17:15
A、面粉价格上升
B、面粉价格下降
C、肉类价格上升
D、肉类价格下降
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正确答案
B@#@D

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7  面包和肉肠是互补品。我们观察到面包的均衡价格与肉肠的均衡数量同时上升。什么因素引起这种变动形式( )
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