The production possibilities frontier
选项:
A:is the boundary between attainable and unattainable levels of production.;
B: is the boundary between what we want to consume and what we want to produce.;
C:shows how production increases as prices rise.;
D:shows prices at which production is possible and impossible.;
E: illustrates why there need not be any scarcity in the world.
发布时间:2024-05-20 21:56:07