Concept · Foundations
Marginal Reasoning
Evaluating decisions by asking about the incremental costs and benefits of small changes rather than about total averages.
Why it matters
Most real decisions are about whether to do a little more or a little less of something, so the marginal perspective is usually the right frame.
Where this shows up
Units and lessons using this concept
Following the links will take you to the page where this term is introduced in context.
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