Suppose Andrea Is Taking Just Two Courses and Is at a Point

question 72

Multiple Choice

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 inward 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?

• A) both of her grades to fall
• B) both of her grades to rise
• C) one of her grades to rise and the other grade to fall
• D) one of her grades to fall while the other grade stays constant

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