完全差別取價的無謂損失 - 經濟
By Mason
at 2021-10-14T10:44
at 2021-10-14T10:44
Table of Contents
請教各位前輩
獨佔廠商採用完全差別取價時
消費者剩餘完全被剝奪
都變成生產者剩餘
所以社會福利不變
那有無謂損失嗎?
我的想法是
獨佔未採完全差別取價跟採完全差別取價的社會福利圖形都是一樣的,都是梯形面積,只是採完全差別取價後消剩變為生剩而已,所以社會福利不變,而原本的無謂損失還是依然存在,只是沒有變化
我同學看法是
獨佔有無畏損失的存在是跟完全競爭比較
如果單純只是獨佔採用差別取價
是沒有無謂損失的
且,市場如果只有一家廠商那就沒有無謂損失
所以獨佔廠商只有跟完全競爭比較才有無謂損失的意思嗎?
如果單純只有獨佔廠商是不會產生無謂損失?
我被搞混啦
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