According to classical macroeconomic theory, changes in the money supply affect: a. variables measured in terms of money and variables measured in terms of quantities or relative prices b. variables measured in terms of money but not variables measured in terms of quantities or relative prices c. variables measured in terms of quantities or relative prices, but not variables measured in terms of money neither d. variables measured in terms of money nor variables measured in terms of quantities or relative prices

Eon inc., electravia inc., and fc inc., the three largest firms in the consumer electronics industry, hold close to 85 percent of the industry's market share. these companies mainly compete against each other by providing unique features in their products rather than pricing them low. these firms are interdependent, and each firm must consider the strategic actions of its competitors. which of the following industry competitive structures does this scenario best illustrate? monopolistic competition oligopoly monopoly perfect competition