Most people in africa who farm or herd for a living do it at the subsistence level. this means that a. they produce most of their crop or livestock for export to other countries b. they earn more than the national average, and they can afford to live in nice homes and buy all they need to survive c. they produce only enough to feed their family, and they have little left over to sell at a market d. they produce goods that are sold for cash, and they buy all of their food and other things needed to survive

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914