Which of the following would generate positive externalities?

a. Flu vaccinations.
b. Farmers' use of pesticides.
c. Cigarette smoking in elevators.
d. Litter left at the beach.
e. An unkept front yard.

a

Economics

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An economic model includes

A) only normative statements. B) no use of marginal concepts. C) all known details in order to increase its accuracy. D) only details considered essential.

Economics

A perfectly competitive firm will hire labor as long as the marginal revenue product of labor is

A. equal to the going wage. B. zero. C. greater than the going wage. D. less than the going wage.

Economics