Alex decided to spend an hour drying her hair rather than studying. Her opportunity cost is: a. nothing, because the more she does of something the more efficient she becomes
b. nothing, because she enjoys blow drying her hair more than studying
c. the benefit to her grades from studying for an hour
d. nothing, because she already owns a blow dryer and did not have to spend any money

True or false: a smart store layout moves customers in and out as fast as possible. a) true b) false

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?

The stock market is -the section of the newspaper where you learn how much a stock is worth -a place where you buy and sell stock -an organized way for people to buy and sell stocks -the same as a brokerage firm