Points that lie outside the production possibilities curve a

Points that lie outside the production possibilities curve are ______, and points that lie inside the production possibilities curve are ______.

efficient; inefficient

inefficient; efficient

unattainable; attainable

attainable; unattainable

Solution

Production possibilities curve represents the curve showing various possible combinations of inputs which produce the same output. Points lying on the PPF are efficient and attainable, points lying inside the PPF are inefficient but attainable and points lying outside the PPF are both inefficient and unattainable.

Thus, correct option: (c) unattainable; attainable