If a society is moving along its production possibility frontier, then _____.

the production process is becoming increasingly inefficient

some of its resources are unemployed

more of all goods are being produced

it is giving up more of some goods to produce other goodsCorrect

Explanation

If a society moves along its production possibility frontier, then it must be giving up more and more of some goods to produce other goods. This is because the production possibility frontier shows the various combinations of output that can be produced by an economy with a given amount of resources.