Keri decided to sleep in today rather than attend her 9 a.m. economics class. According to economic analysis, her choice was
A) irrational, because economic analysis suggests you should always attend classes that you have already paid for.
B) irrational, because oversleeping is not in Keri's self-interest.
C) rational if Keri has not missed any other classes.
D) rational if Keri values sleep more highly than the benefit she expects to receive from attending the class.

Question

Quizplus · Accepted Answer

According to the principle of rationality, individuals make choices that maximize their own self-interest. In this case, Keri valued sleep more highly than the benefit she expected to receive from attending the class, so it was rational for her to choose to sleep in. It is not necessarily irrational to miss a single class, as long as it is balanced against the benefits and costs of attending that specific class.

Keri Decided to Sleep in Today Rather Than Attend Her