用尤拉理論證明 2財貨不能同時為劣等財 - 經濟
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By Freda
at 2009-01-16T00:47
at 2009-01-16T00:47
Table of Contents
想請問一下
要證明兩財貨不能同時為劣等財
我只想到是用 恩格爾加總條件 証明
那怎麼用 尤拉證明呢???
還是....
恩格兒是尤拉理論的延伸???
如果是的話 有沒有高手可以幫忙說明一下
我對尤拉實在是很不熟...
只知道
Exx+Exy+Exm=0 這樣而已
感謝高手解惑...
另外想請問一個問題
消費券 是屬於怎樣的補貼??
是價格補貼 還是所得補貼 ....應該不會是實物補貼吧 = =a
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經濟
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