30. Age earning profiles are steeper for women than for men

a. are steepest at young ages because that is when people make the largest on the job investments

b. are steeper for women than for men

c. are steeper for more educated workers as a result of a statistical discrimination

d. are concave because older workers have less formal education than younger workers

40. that some schools direct females away from science and math courses is evidence of

a. labor market discrimination

b. discrimination by employers

c. pre market discrimination

d. discrimination by customers

45. Marriage rates are falling

a. rising for men, but falling for women

b. falling for more educated women because of an increase in their wages relative to men

c. rising over time as the "demand for children" has increased

d. falling for people of all levels of education, but falling faster for less educated people

46. On the job training

a. reduces turnover only when the worker pays for the training

b. has no impact on turnover

c. reduces turnover if the costs and benefits of the training are shared by the employer and employee

d. reduces turnover if the training builds "general human capital"

50. Specialization within the household

a. will result in a married couple sharing household production duties

b. can increase family utility if individuals specialize in the activity for which they have an absolute advantage

c.will increase family utility only if there are children in the household

d. can increase family utility if individuals specialize in the activity for which they have a comparative advantage