An idea from monetarism that has been absorbed into mainstream macroeconomics would be the Multiple Choice effects of aggregate supply shocks on the level of real output and the price level. importance of the effects of changes in the money supply on the economy. use of discretion rather than rules for guiding economic policy in the economy. influence of real changes, such as in technology and resource availability, on the level of output.

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