QUESTION $6$

Which of the following is true about the Production Possibilities Curve $($PPC$)$ model:

transcript

a$.$ points inside the PPC are attainable, and considered efficient

b$.$ points outside the PPC are attainable, but considered inefficient

c$.$ the PPC model assumes that countries are always better off when producing both goods

d$.$ the PPC is not linear $($i$.$e$.$ bowed$)$ if the country's factors are heterogeneous

e$.$ the PPC model shows that changes in unemployment can affect a country's potential output

f$.$ all of the above