An increase in the price of grape juice causes an increase in the marginal revenue product of labor used to produce grape juice

What is the national security argument to support protection from international trade?

A) Domestic firms must be protected until they gain a comparative advantage. B) Any firm necessary in wartime must be protected. C) Foreign producers selling below cost to drive domestic firms bankrupt must be stopped. D) Domestic jobs must be protected from competition from low-paid foreign workers. E) Foreigners selling products in the economy limit the nation's diversity and stability.

An increase in business taxes is likely to reduce aggregate demand because of a decrease in private investment.

a. true b. false