The demand curve faced by a perfectly competitive firm is vertical

If the demand for labor ________, real wages fall and the amount of labor employed ________

A) increases; increases B) increases; decreases C) decreases; increases D) decreases; decreases

In the United States, price-fixing cartels are

a. ubiquitous b. nonexistent c. generally illegal d. discouraged the Department of Labor e. dominant in small industries with large numbers of firms