If price exceeds marginal cost, we say that a firm receives

Which of the following is TRUE?

A) Child labor is most common in urban areas. B) Child labor is most common in the textile industry. C) Child labor is most common in production aimed at export markets. D) If child labor were stopped, families would have greater economic success. E) Agriculture is the main industry using child labor.

In a 2007 New York Times article Paul Krugman wrote that

a. the infant-industry argument works well as an argument in favor of protection for the U.S. steel industry. b. the negative effects of third world exports on U.S. wages may be increasing. c. there are social gains to the U.S. from free trade. d. high wage countries account for a growing share of U.S. imports of manufactured goods.