When the production possibilities curve is a straight line, opportunity costs are the same no matter how far you move along the curve.
What is production possibilities curve?
The production possibilities curve (PPC) is a graph that shows the different combinations of output that can be produced with given available resources and technology.
The PPC curve usually have a concave shape not a straight line because there is always a cost involved in making a choice.
For example:- when the quantity of one good produced is higher and the quantity of the other is low, it is known as the opportunity cost.
Learn more about the PPC here:-
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