When oligopolies seek to operate as a single-price monopoly, the firms produce at the point where:

The Rule of 70 states that the level of a variable will double in

A) 70 years. B) the number of years equal to the variable's annual rate of growth divided by 70. C) the number of years equal to 70 divided by the variable's annual growth rate. D) the number of years equal to the variable's annual growth rate minus 70. E) the number of years equal to 70 multiplied by the variable's annual growth rate expressed as a decimal.

Legislators in a democracy are more likely to support special interests than the broad interests of citizens generally because

A) incumbents have such powerful advantages in election campaigns. B) money plays such a large role in political campaigns. C) they cannot know what the public interest requires in the absence of market information. D) they do not have to fear being voted out of office. E) they pay attention to the people paying attention to them.