【用戶】Qiong Zeng
【年級】國三上
【評論內容】題目得知MR=100-2Q,MC=AC=10,由MR=MC→Q*=45→P*=55。畫圖形可以得知:生產者剩餘=45×45=2025,消費者剩餘=0.5×45×45=1012.5,社會福利絕對損失=0.5×45×45=1012.5。
【用戶】我愛阿,阿愛我
【年級】
【評論內容】TR=P*Q=(100-Q)*Q=100Q-Q^2MR=dTR/dQ=100-2QMR=MCQ=45P=55TR=P*Q=45*55=2,475TC=AC*Q=10*45=450π=2,475-450=2,025CS=(100-55)*45/2=1,012.5PS=(55-10)*45=2,025社會福利絕對損失=(55-10)*(90-45)/2=1,012.5http://tw.knowledge.yahoo.com/question/question?qid=1012052104227