Supply-side economic policies are designed to shift the aggregate supply curve to the right, whereas Keynesian economic policies focus on shifting the aggregate demand curve to the right during recessions and to the left during an economic expansion

Typical structure characteristics of interest to Industrial Organization researchers include

a. Barriers to entry b. Product differentiation among firms c. The number and size distribution of firms d. All of the above

Which of the following would result in a positive externality?

A) A local government establishes a price ceiling on rental apartments. B) An electric utility burns coal that causes acid rain. C) Medical research results in a cure for malaria. D) McDonald's eliminates all salads from its menu.