OPEC is an example of a producer's cartel that is successful because of its ability to institute tariffs on oil exports

Larry Krovitz is a salesman who works at a used-car showroom in Sydney, Australia. It's the last week of July but he is yet to meet his sales target for the month. A customer, Harold Kumar, who wants to buy a Ford Fiesta, walks in to the showroom

After taking one of the cars for a test drive, Harold decides to buy it. While $11,000 was the least that Larry would have been willing to accept for that car, he quotes a price of $15,000 . After some bargaining, the car is sold for $12,000 . a. What is the producer surplus in this case? b. If Larry bought the car for $8,000, what is his profit? c. Is producer surplus always equal to profit? Explain your answer.

Natural monopolies occur when a single or a few firms can take advantage of economies of scale and supply the entire industry output.

A. True B. False C. Uncertain