How does a production possibility chart illustrate how efficient an economy is?

The production possibilities frontier is the line that shows the maximum possible output for that economy. Efficiency means using resources in such a way as to maximize the production of goods and services. An economy producing output levels on the production possibilities frontier is operating efficiently.

50% because no one is smart enough to relize that money makes the world go round and 99% of the earth hates donald trump the other 1% is the republicans go figure right

we need an attachment to see what you are talking about.