Why p. p curve is concave to origin?

1.	Why p. p curve is concave to origin?
Answer» This is because of assumptions all resources are not equally efficient in production of both the goods. Therefore MRT will increases with increasing rate and p. p curve becomes concave.<br>PPC is concave to the origin because of increasing Marginal opportunity cost. This is because inorder to increase the production of one good by 1 unit more and more units of the other good have to be sacrificed since the resources are limited and are not equally efficient in the production of both the goods.\xa0

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