Jane is willing to pay $80 for a pair of shoes. The actual price of the shoes is $50. Her marginal benefit is

Refer to Figure 2-11. What is the opportunity cost of producing 1 pound of cashews in Indonesia?

A) 3/8 of a bolt of cotton B) 5/8 of a bolt of cotton C) 2 2/3 bolts of cotton D) 320 bolts of cotton

The key determinant of whether Social Security will be a good investment is _____

a. the number of hours worked by future employees b. internal migration c. real income growth in the United States d. the solvency of the system today