Answer:
There is a technological improvement
Explanation:
A production possibilities frontier shows the two combinations of good an economy can produce when all its resources are fully employed.
points on the production possibilities frontier show efficient production
Points inside the production possibilities frontier show inefficient production
Points outside the production possibilities frontier show unattainable production given current resources.
Technological progress leads to a outward movement of the production possibilities frontier
If Resources are shifted from the production of one good to the production of the other good, there would be a movement along the production possibilities frontier from one point to another
