Suppose Andrea is taking just two courses and is at a point inside (or below)her PPF of grades for those two courses. If Andrea becomes more efficient in her study habits then it is impossible for ____________________, ceteris paribus.
A)either one of her grades to rise
B)both of her grades to rise
C)one grade to rise and the other grade to fall
D)both of her grades to fall

Question

Suppose Andrea is taking just two courses and is at a point inside (or below)her PPF of grades for those two courses.  If Andrea becomes more efficient in her study habits then it is impossible for ____________________,  ceteris paribus.
A)either one of her grades to rise
B)both of her grades to rise
C)one grade to rise and the other grade to fall
D)both of her grades to fall

Quizplus · Accepted Answer

If Andrea becomes more efficient, she can improve her grades, so it is impossible for both grades to fall.

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