The production possibilities curve demonstrate which of the following concepts?
A) scarcity
B) choice
C) trade-offs
D) all of the above
Question 2
Refer to the above figures. A negative externality existed but has been corrected. Price and quantity will be
A) P1 and Q1.
B) P2 and Q2.
C) P3 and Q3.
D) P4 and Q4.