Given the information in the table above, Home's opportunity cost of widgets is

Iron mining, coal mining, and coke production constitute the _____ steps in steel making

a. intermediate b. upstream c. final d. introductory

When wages decrease a. the substitution effect increases the quantity of labor supplied. b. the substitution effect increases the supply of labor

c. the income effect increases the quantity of labor supplied. d. the income effect increases the supply of labor.