Cost-Benefit Analysis
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Systematically quantify and compare all costs and benefits of an action, calculating net benefit or benefit-cost ratio. Scaffolding role: make decisions "calculable". Turn vague "is it worth it" into comparable numbers. Although not all benefits and costs can be quantified, quantifying as much as possible reduces guesswork. (Merged: cost-benefit ratio, cost-benefit analysis, cost-effectiveness method, cost-benefit analysis, cost-benefit analysis method)
SCAFFOLDING EFFECT
Reduce cognitive load
Make decisions "calculable". Turn vague "is it worth it" into comparable numbers. Although not all benefits and costs can be quantified, quantifying as much as possible reduces guesswork. (Merged: cost-benefit ratio, cost-benefit analysis, cost-effectiveness method, cost-benefit analysis, cost-benefit analysis method)
Anchor fast decisions
Monetize all costs and benefits of an option as much as possible, calculate net present value (NPV) or benefit-cost ratio (BCR) for comparison. It converts scattered, intertemporal impacts to the same time dimension (discounting), enabling summation and comparison of different options. When benefits exceed costs (or BCR > 1), it is generally considered feasible.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Cost%E2%80%93benefit_analysisverified
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