21) Price discrimination is related to elasticity because
A) the firm can increase revenues by charging customers with elastic demands higher prices and
charging customers with inelastic demands lower prices.
B) the firm can increase revenues by charging customers with elastic demands lower prices and
charging customers with inelastic demands higher prices.
C) the firm can increase revenues by charging all customers higher prices.
D) None of the above; elasticity and price discrimination are unrelated.
22) Price discrimination is based on differences in ________ among groups of consumers and
the differences in ________ that will result.
A) cross elasticities of demand; revenues
B) price elasticities of demand; profits
C) quantities supplied; marginal revenues
D) income elasticities of demand; marginal costs
23) In order to engage in price discrimination, a monopolist has to be able to determine that there
are different groups of consumers that have different ________ for the product.
A) income elasticities of demand
B) price elasticities of demand
C) cross elasticities of demand
D) All of the above are correct.