Mass adoption of technology, like the steam engine, was not influenced greatly by the relative benefits and costs of the new technology compared to existing technology

The idea that it takes 90 percent of your time to clean up the last 10 percent of your house illustrates that

A) the marginal cost of cleaning up slopes downward. B) the marginal cost of cleaning up slopes upward. C) the marginal benefit of cleaning up is constant. D) the marginal benefit of cleaning up slopes upward.

Under current antitrust laws, conglomerates are

a. illegal per se b. legal in the United States, but illegal internationally c. immune from prosecution d. legal only if they can show they are efficient e. illegal when necessities such as food are involved