Question

3.PPF is concave to the origin because

Answer 1

Answer:

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Explanation:

The shape of a PPF is commonly drawn as concave to the origin to represent increasing opportunity cost with increased output of a good. Thus, MRT increases in absolute size as one moves from the top left of the PPF to the bottom right of the PPF.

Answer 2

Answer:

Bcz it is commonly drawn as concave to the origin to represent increasing opportunity cost with increased output of a good