6 . The role of brand names and advertising Which of the following statements about brand names is true? 0 It is always rational to prefer brand names over generic substitutes. 0 Brand names give the seller an incentive to provide consistently high-quality products and services in order to protect the reputatior the brand. 0 Brand names are always economically wasteful since they dupe consumers into buying more expensive goods and services that are different from generic versions. Read the following example and determine whether it illustrates a common critique or defense of advertising. While shopping for soda, Sharon is trying to determine whether to purchase the generic cola or the brand ZCola. Although she would not notice the difference between the two in a blind taste test, she buys the higher-priced ZCola because she has seen it advertised as being "The drink that's the life of partieZ." This illustrates a common 1' of advertising