In a competitive economy, the questions of what, how, and for whom to produce tend to be regulated by

Which of the following best describes the concept of "derived demand?"

a. The price of corn land determines the price of corn. b. The price of corn land has nothing to do with the price of corn. c. The price of corn determines the price of the land on which corn is grown. d. Cheap labor means cheap corn.

Overall NAFTA has resulted in

A. Very little change in any of the three countries. B. Massive unemployment and recessions. C. Accelerated economic growth and reduced inflationary pressures in Canada, Mexico, and the United States. D. Increased economic growth and employment in Mexico at the expense of the United States.