Many economists argue that, in the long run, the economy self-corrects and achieves full employment. This argument is known as the:

Most movie theatres charge different prices to different groups of customers for movie admission but not on movie popcorn. Which of the following is a reason for this?

A) because the markup on movie popcorn is very high and movie theatres do not want to forgo this source of revenue B) because it is easier to limit resale in movie admissions but not in popcorn C) because the cost of operating a concession stand in a movie theatre is very high compared to the cost of showing a movie D) because the demand for popcorn is very high relative to the demand for movie admissions

A likely example of substitute goods for most people would be

a. tables and chairs. b. bicycles and helmets. c. apple juice and orange juice. d. coffee and sugar.