g One major barrier to entry under pure monopoly arises from Multiple Choice ownership of essential resources. diseconomies of scale. the availability of close substitutes for a product. the price taking ability of the firm.

Which of the following is the best example of substitution? a. movie producers begin making more comedies because they cost less to make than action films. b. people walk out before the end of a movie because the acting and the plot are terrible. c. people at the movie theater switch from popcorn to candy because popcorn has gotten too expensive. d. more people begin going to matinee movies instead of night movies to save money on the tickets.