Question

Interpreting a Decision-Making Grid Decision Making at the Margin Options Benefits Opportunity Cost

Work 1 hour 1 hour pay 1 hour of study or recreation time
Work 2 hours 2 hours pay 2 hours of study or recreation time
Work 3 hours 3 hours pay 3 hours of study or recreation time
Work 4 hours 4 hours pay 4 hours of study or recreation time
Work 5 hours 5 hours pay 5 hours of study or recreation time
Why is the decision being made a decision at the margin?

Answer 1

He has to weigh out his options.  He has to figure out if the extra amount work is worth the amount of study/free time lost.