The main determinants of investment are the interest rates and expected profit

Suppose your college sharply raises tuition rates next year. Other things constant, what is the least likely to occur?

A) The overall demand for courses at your college will fall. B) Your college bookstore will sell fewer textbooks. C) It will be easier to find parking at your college. D) Fewer students will use your college library.

You and your roommate must divide the cooking and cleaning duties. Which of the following will contribute toward giving you a comparative advantage in cleaning?

A) You develop a contagious disease. B) Your roommate develops an allergy to dust. C) Your roommate takes a course in cooking. D) All of the above. E) None of the above.