Which act of Congress extended the government's authority to block horizontal and vertical mergers?

Japanese employers tend to hire employees right out of college and train them for a lifetime job with the company. Over time they found that women often, but not always, married after a few years and left the company so they were not good training investments. Based on this experience, and despite the exceptions, firms stopped hiring any women for jobs that require substantial training. This

practice is called a. economic discrimination. b. statistical discrimination. c. compensating differentials. d. the substitution effect.

The invisible hand principle indicates that competitive markets can help promote the efficient use of resources

a. only if buyers and sellers really care, personally, about economic efficiency. b. even when each market participant cares only about their own self interest rather than about the overall efficiency of resource use. c. even if business firms fail to produce goods efficiently. d. if, and only if, businesses recognize their social obligation to keep costs low and use resources wisely.