[問題] 個經的一些題目
Suppose that all fims in a given idustry have the same supply curve given by
Si(p)=2p when p is greater than or equal to $2 and Si(p)=0 when p is less than
$2. Suppose that market demand is given by D(p)=12-p. If firms continue to
enter the industry so long as they can do so profitably, the equilibrium price
must be closet to
a.$5
b.$4
c.$2.40
d.$2
e.$1.75
沒什麼頭緒~囧
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