Refer to the information provided in Figure 2.6 below to answer the question(s) that follow.


Refer to Figure 2.6. Which of the following will shift an economy's production possibility frontier from
ppf
1 to
ppf
2?
◦ a decrease in unemployment
◦ an increase in production efficiency
◦ a change in consumers' tastes
◦ an increase in the economy's capital stock