The existence of the tradeoff along the PPF means that the PPF is
A) bowed outward.
B) linear.
C) negatively sloped.
D) positively sloped.
Question 2
What would an economist point to explain why there are no large farms within Detroit city limits?
A) The cultural characteristics of the typical Detroit citizen
B) The political power of the automobile industry in Detroit
C) The residential and commercial demand for real estate in Detroit
D) None of the above.