What determine possibility shape structure in production possibility frontier?

the possibility production curve show production that can be produces using minimum resources whereas the possibilty productive frointer show the attainable levls of production.

guns vs butter

represented by the points outside the Production possibility frontier

Basically the PPC represents the hypothetical amount of two different goods that could be obtained by using resources from the production of one for the production of the other. It also describes...

the points within the curve (the attainable region)