Microeconomics 18th Edition by Campbell McConnell, Stanley Brue, Sean Flynn

Exercise 20

Explain how, (if at all) each of the following affects the location of a country's production possibilities curve:
a. The quality of education increases.
b. The number of unemployed workers increases.
c. A new technique improves the efficiency of extracting copper from ore.
d. A devastating earthquake destroys numerous production facilities.