Of the following countries, which is the best example of a command economy?

Adam Smith believed that if people were free to pursue their own interests,

a. public interest would be served quite well. b. less would be produced than if altruism were the guiding principle. c. they would generally apply their talents to unproductive activities that would generate little value to society. d. they would have little incentive to undertake productive activities.

Monopolistically competitive firms could reduce the average total cost of producing by increasing output; therefore, these firms have