Students who leave school in the spring and look for work are one source of ________

All of the following are ways in which the government can help insure the quality of information consumers receive except

A) enforcing truth-in-advertising standards. B) awarding monopolies to political supporters and family members. C) requiring businesses to undergo audits of their financial conditions. D) publishing the academic performance of schools.

Going skiing will cost Adam $80 a day. He also loses $40 per day in wages because he has to take time off from work. Adam still decides to go skiing

A) His decision is rational if Adam's marginal benefit of spending a day skiing is greater than his marginal cost. B) The $80 price of skiing is not an opportunity cost and so did not affect Adam's decision. C) He loses a total of $120 per day, so his decision is irrational. D) Adam's lost $40 per day in wages is not an opportunity cost and so did not affect his decision. E) Adam is definitely making a decision that is in the social interest.