Issues in Economics Today 7th Edition by Robert Guell

Exercise 9

Of course, all individual students are better off if they get better grades. If you were to conclude that all students would be better off if everyone received an "A" you would
A) have fallen victim to the fallacy of scarcity.
B) be right.
C) have fallen victim to the fallacy of composition.
D) be mistaking correlation with causation.