Consider a production possibilities frontier? (PPF) that is concave? (bowed outward from the? origin). Such a PPF displays increasing opportunity? costs, meaning that the cost of producing additional units of both goods rises. What is the reason for increasing opportunity? cost?
A. market forces do not lead to an equality between price and opportunity cost.
B. management is disorganized and production is inefficient.
C. some resources and skills cannot easily be adapted from theur current uses to alternative uses.
D. as more of a good is produced the inputs used to produce that good will increase in price.