A competitive firm sells 100 units of output for $5 per unit. The firm's marginal revenue amounts to __________

Which of the following accurately describes the impact of the rule of law on a country's economic growth rate?

A) Countries where favoritism and bribery are common have stronger rates of growth. B) Countries with a strong rule of law have faster economic growth. C) Countries with a weak rule of law have faster economic growth. D) Countries that enforce property rights through lawsuits have slower economic growth.

Which of the following would most likely cause a nation's currency to depreciate?

a. an increase in domestic real interest rates b. an increase in exports coupled with a decline in imports c. an increase in the nation's inflation rate d. a balance of trade surplus