Economists suggest that an optimum tariff would be one which reduce imports to a point where___________?

Economists suggest that an optimum tariff would be one which reduce imports to a point where___________?

A. Comparative advantage is achieved
B. Price elasticity of imports is unity and tariff revenue is maximized
C. import prices are the same as export prices
D. marginal social cost equals marginal social benefit

The theory that states that a country has a comparative advantage in the production of a product if that country is relatively well endowed with inputs used intensively in the production of that product is the?

The theory that states that a country has a comparative advantage in the production of a product if that country is relatively well endowed with inputs used intensively in the production of that product is the?

A. Ricardo Malthus theorem
B. Heckscher Ohlin theorem
C. Lucas-Laffer theorem
D. Friedman Samuelson theorem