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svp [43]
4 years ago
6

Suppose Andrea is taking just two courses and is at a point on her PPF of grades for those two courses. Now this PPF shifts inwa

rd and Andrea moves to a point on the new PPF. Which of the following would be impossible after her PPF has shifted inward compared to before the PPF shifted? Group of answer choices a.one of her grades to rise and the other grade to fall b.both of her grades to fall c.one of her grades to fall while the other grade stays constant d.both of her grades to rise
Social Studies
1 answer:
ryzh [129]4 years ago
8 0

Answer:

d.both of her grades to rise

Explanation:

If her PPF has shifted inward, it means that the possible maximum values of her grades have fallen, whether she focuses on only one of the subjects, or on both.

For this reason, after an inward shift of her PPF, it is mathematically impossible for both her grades to rise. She might have one of the grades rise only if she focuses more on than subject than before the inward shift, but this would also result in a lower grade for her other subject.

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