thinking on the margin
definition: look at the opportunity cost and benefit of adding ONE MORE unit to the previous amount.
- Using the “all or nothing” approach may not provide you with the best outcome.
- Marginal = Additional
- Comparing the additional costs to the additional benefits will usually enable a person to make a sound decision.


everyday examples
▪ sleep an extra hour vs an extra hour of studying
▪ closing a business early vs staying open an hour later
▪ leaving an hour early vs being late

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