問題已解決
當(dāng)邊際利潤(rùn)等于零時(shí),怎么是利潤(rùn)最大呢?此時(shí)利潤(rùn)不是零嗎?
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當(dāng)邊際收入=邊際成本時(shí),邊際利潤(rùn)=0, 從數(shù)學(xué)上理解,此時(shí)利潤(rùn)函數(shù)的導(dǎo)函數(shù)值為0,這一點(diǎn)為函數(shù)的駐點(diǎn),即極值點(diǎn),要么是極大值,要么是極小值,極小值不符合經(jīng)濟(jì)現(xiàn)實(shí),所以此時(shí)利潤(rùn)函數(shù)取得最大值
2023 07/20 11:01
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