Moe divides his time between studying Physics and studying Economics. His production possibilities curve for his final grade in each class is shown in the accompanying figure. According to Moe's PPC, moving from a 70 to an 80 in economics:
A)is inefficient.
B)has a lower opportunity cost than moving from an 80 to a 90.
C)is unattainable.
D)has a higher opportunity cost than moving from an 80 to a 90.

Question

Moe divides his time between studying Physics and studying Economics. His production possibilities curve for his final grade in each class is shown in the accompanying figure.  According to Moe's PPC, moving from a 70 to an 80 in economics:
A)is inefficient. 
B)has a lower opportunity cost than moving from an 80 to a 90. 
C)is unattainable. 
D)has a higher opportunity cost than moving from an 80 to a 90.

Quizplus · Accepted Answer

When Moe goes from a 70 to an 80 in economics, his physics grade drops by 10 points, and when he goes from an 80 to a 90, his physics grade drops by 30 points.

Moe Divides His Time Between Studying Physics and Studying Economics