Economics 19th Edition by Stanley Brue, Cambell McConnell, Campbell McConnell, Sean Masaki Flynn, Sean Flynn

تمرين 10

Explain how (if at all) each of the following events affects theof 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.