A good economic theory, or model, weeds out the irrelevant facts from the relevant ones

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

Which type of businesses earns the majority of profits in the United States?

A) corporations B) sole proprietorships C) partnerships D) none of these