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MENTAL MODEL · M4648

Marginal Cost

Marginal Cost
DecideHigh supportDecision Science
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

The increase in total cost that arises from producing one additional unit of output. It reflects the true cost of producing an extra unit.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Basis for pricing and production decisions. In a perfectly competitive market, profit-maximizing output is where marginal cost equals marginal revenue. Understanding marginal cost helps explain why digital products can be offered for free and why natural monopolies form.

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Marginal cost is the increment in total cost from producing one more unit, reflecting the true cost of 'producing one more', distinct from average cost.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Marginal_costZH · Explicit
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