Cognitive Scaffold

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MENTAL MODEL · M3161

Efficient Frontier

Efficient Frontier
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

The set of portfolios that offer the highest expected return for a given level of risk, or the lowest risk for a given expected return, forming a curve.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Optimal allocation thinking. Any choice below the curve is "suboptimal" (same risk, lower return). Used to guide resource allocation in life and work, pursuing the extreme boundary of cost-effectiveness.

anchor

Anchor fast decisions

The efficient frontier in portfolio theory: the boundary of the set of portfolios that maximize return for a given risk level, or minimize risk for a given return. The mechanism is mean-variance optimization.

MINIMUM ACTION

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Source support: Explicit

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