The unemployment of some groups, such as low-skill workers, may increase as a result of the imposition of a minimum wage.

According to the principle of comparative advantage, if a rich country trades with a poor country, then

A) the rich country will benefit and the poor country will lose. B) the rich country will lose and the poor country will benefit. C) both countries will benefit. D) neither of the countries will benefit.

A monopolistic producer supplying raw materials to two industries one with a lower price elasticity of demand and the other with a high price elasticity of demand, practices _____ to prevent its low price elastic consumers (who have more elastic demands) from reselling its products to high price consumers (who have less elastic demands)

a. vertical integration b. price discrimination c. double marginalization d. price control