Following Keynesian economics, and assuming a marginal propensity to consume (MPC) of 0.75, an increase in taxes of $100 billion would be expected to shift the aggregate demand curve by $300 billion to the left

Which of the following is an explanation for the existence of trade restrictions?

A) Tariffs generate revenue for the government. B) rent seeking C) inefficient quotas D) Both answers A and B are key explanations.

Business conduct that is illegal per se is illegal

a. only if there is no economic rationale for it b. only if it results in a monopoly c. without regard to its economic rationale or consequences d. only if it is prohibited by the Clayton Act e. whether or not Congress has passed legislation prohibiting the practice