Choosing to study for an exam until the extra benefit (improved score)equals the extra cost (mental fatigue)is
A) not rational.
B) an application of the cost-benefit principle.
C) an application of the scarcity principle.
D) the relevant opportunity cost.
E) less desirable than studying for the entire evening.

Question

Quizplus · Accepted Answer

This is an application of the cost-benefit principle, where the decision to study is based on weighing the extra benefit (improved score) against the extra cost (mental fatigue). It is a rational decision-making process.

Choosing to Study for an Exam Until the Extra Benefit