Exports have the same effect on the current size of GDP as:

Profit per unit is the difference between

A) average revenue and average total cost. B) marginal revenue and marginal cost. C) total revenue and total cost. D) average revenue and marginal cost.

Tickets to the Michigan-Notre Dame football game are usually sold out in advance of game day. This suggests that

a. the price of the tickets must be very high or else people would not consider them valuable b. the price is set below the equilibrium level c. the football stadium is relatively small d. everyone who attends the game will enjoy it e. the price is determined primarily by the fixed supply of tickets