In the small town of geneva, there are 5 firms that make watches. the firms’ respective output levels are 30 watches per year, 20 watches per year, 20 watches per year, 20 watches per year, and 10 watches per year. the four-firm concentration ratio for the town’s watch-making industry is:

List three major educational changes over the past 100 years that have positively influenced students. explain why these changes were influential.

Which of the following statements about brand names is true? brand names give the seller an incentive to provide consistently high-quality products and services in order to protect the reputation of the brand. brand names are always economically wasteful since they dupe consumers into buying more expensive goods and services that are no different from generic versions. it is always rational to prefer brand names over generic substitutes. read the following example and determine whether it illustrates a common critique or defense of advertising. musashi sees a commercial for a brand x clothing company that depicts the wearers of the clothes out having a good time with friends. although he doesn't particularly need new clothes, the commercial prompts him to buy a brand x t-shirt.

Which of the following is not a characteristic of a weak economy? a. a low employment rateb. a high inflation ratec. a decreased gdpd. a high unemployment rate