Tariffeffectsfor a largecountry include

A.the net welfare is negative

B.consumer surplus decreases（consumers worse off）

C.producer surplus increases（producers better off）

D.the government collects tariff revenue equal to the tariff rate times the quantity of imports with the tariff.

正确答案：consumer surplus decreases（consumers worse off）；producer surplus increases（producers better off）；the government collects tariff revenue equal to the tariff rate times the quantity of imports with the tariff.