27. Describe how the earnings gap between men and women has evolved in recent decades.

28. Describe how the earnings gap between Black and White people has evolved in recent decades.

29. Does a gap between the average earnings of men and women, or between White and Black people, prove

that employers are discriminating in the labor market? Explain briefly.

30. Will a free market tend to encourage or discourage discrimination? Explain briefly.

31. What policies, when used together with antidiscrimination laws, might help to reduce the earnings gap

between men and women or between White and Black workers?

32. Describe how affirmative action is applied in the labor market.

33. What factors can explain the relatively small effect of low-skilled immigration on the wages of low-skilled

workers?

34. Have levels of immigration to the United States been relatively high or low in recent years? Explain.
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