
求大神解这道题
1个回答
展开全部
Qd=Qs
14-3p=2+6p
9p=12
均衡价格=4/3
Ed=-( △Q/Q)/(△P/P)
=-P/Q*dQ/dp
=-﹝p/(14-12/3)﹞*3
=4/(14-12/3)
=4/10
=0.4
Es=( △Q/Q)/(△P/P)
=P/Q*dQ/dp
=p/(2+6p)*6
=﹝4/3/(2+8)﹞*6
=8/10
=0.8
希望采纳
14-3p=2+6p
9p=12
均衡价格=4/3
Ed=-( △Q/Q)/(△P/P)
=-P/Q*dQ/dp
=-﹝p/(14-12/3)﹞*3
=4/(14-12/3)
=4/10
=0.4
Es=( △Q/Q)/(△P/P)
=P/Q*dQ/dp
=p/(2+6p)*6
=﹝4/3/(2+8)﹞*6
=8/10
=0.8
希望采纳
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