The difference between production possibilities frontiers that are bowed out and those that are straight lines is that
a. bowed-out production possibilities frontiers apply to economies that face tradeoffs, whereas straight-line production possibilities frontiers apply to economies that do not face tradeoffs.
b. bowed-out production possibilities frontiers apply to economies in which resources are not specialized, whereas straight-line production possibilities frontiers apply to economies in which resources are specialized.
c. bowed-out production possibilities frontiers illustrate increasing opportunity cost, whereas straight-line production possibilities frontiers illustrate constant opportunity cost.
d. straight-line production possibilities frontiers illustrate real-world conditions, whereas bowed-out production possibilities frontiers illustrate more simplistic assumptions.
Answer: C