1. Price discrimination is more likely in the case of services than in the case of goods because
a. producers of goods usually do not face downward sloping demand curves.
b. it is easier to distinguish customers with different elasticities of demand with respect to services than with goods.
c. elasticities of demand vary more with services than with goods.
d. it is more difficult to resell services.
2. The demand curve facing a monopolist is
a. downward sloping.
b. upward sloping.
c. horizontal.
d. vertical.