Refer to the Information Provided in Figure 2

Multiple Choice

Refer to the information provided in Figure 2.6 below to answer the question(s) that follow. Figure 2.6
-Refer to Figure 2.6. Which of the following will shift an economy's production possibility frontier from ppf² to ppf¹?

A) a decrease in the economy's capital stock
B) an increase in production efficiency
C) a change in consumer's tastes
D) economic growth