If the marginal cost curve of all identical firms in a perfectly competitive industry are horizontal at the same per-unit cost, then the market's consumer surplus equals the area

Which of the following would cause the dollar to depreciate?

A) an increase in the demand for dollars B) a decrease in the demand for imports from foreign countries C) a decrease in the supply of dollars D) a decrease in the demand for dollars

Critics of unions tend to focus on the fact that unions

A) tend to generate higher wages. B) reduce profits. C) are politically active. D) engage in restrictive labor practices.