Which of the following statements is false?
a) People who are good at shopping around usually have more elastic demand than people who know what they like and just buy it.
b) A business that price discriminates will generally charge some customers more than marginal cost, and it will generally charge other customers less than marginal cost.
c) Price Discrimination is more prevalent in monopoly-type markets than in competitive markets with many firms.
d) Airport Rental Cars: Someone who reserves a car online weeks before a trip will get charged less than someone who walks up to a rental counter after walking off a long-haul flight.