Demand: Q=5000-100P
Supply: Q=150P
a) Setting Demand = Supply
5000-100P=150P
5000=150P+100P
5000=250P
Equilibrium Price=5000/250 = 20
Equilibrium Quantity = 5000-100(20) = 3000
b) When the world price is 10
Quantity produced domestically = 150(10) = 1500
Quantity demanded domestically = 5000-100(10) = 4000
Imports = 4000-1500 = 2500
c) With the tariff of $5, the price increases to 15
The quantity demanded decreases to 3500
The quantity supplied increases to 2200
Tariff revenue = (3500-2200)*5 = 6500
CS transferred to producers = 1500*5+0.5*700*5 = 7500+1750 = 9250
DWL = 0.5*(2200-1500)*5+0.5*(4000-3500)*5 = 1750+1250 = 3000
d)
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