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Atlas Manual

Incentives Lab — Core Models

92 terms across 10 themes — every definition in the Atlas sourced from this manual, with executive examples and counter-moves.

92 of 92 terms
Mental Models · Decision
10/10/10 Rule

How will I feel about this in 10 minutes / 10 months / 10 years?

Mental Models · Risk
Antifragility

Systems that gain from disorder.

Mental Models · Strategy
Barbell Strategy

Combine extreme safety with extreme risk; avoid the middle.

Mental Models · Probability
Bayes' Rule (Updating)

Posterior = (likelihood × prior) / evidence.

Mental Models · Probability
Bayesian Updating

Start with a prior; update with new evidence.

Mental Models · Learning
Beginner's Mind

Approach a situation as if you knew nothing.

Mental Models · Probability
Black Swan

High-impact, hard-to-predict, retrospectively explainable events.

Mental Models · Systems
Brooks's Law

Adding people to a late project makes it later.

Mental Models · Reasoning
Chesterton's Fence

Don't remove something until you understand why it was put there.

Mental Models · Reasoning
Circle of Competence

Know the perimeter of what you actually know.

Mental Models · Economics
Coase Theorem

With clear property rights and low transaction costs, parties negotiate to efficient outcomes.

Mental Models · Learning
Cognitive Load Theory

Working memory has limits.

Mental Models · Economics
Comparative Advantage

Specialize in what you give up the least to do.

Mental Models · Systems
Compounding

Small advantages, applied consistently, become uncatchable.

Mental Models · Risk
Convexity vs. Concavity

Convex payoffs gain more than they lose; concave do the opposite.

Mental Models · Systems
Conway's Law

Software architecture mirrors org structure.

Mental Models · Systems
Coordination Cost

Working together has a cost that scales with the number of people.

Mental Models · Markets
Crossing the Chasm

The gap between early adopters and the early majority kills most products.

Mental Models · Decision
Devil's Advocate

A designated dissenter in any major decision.

Mental Models · Markets
Diffusion of Innovations

Innovators → early adopters → early majority → late majority → laggards.

Mental Models · Economics
Diminishing Returns

Each additional unit produces less marginal benefit.

Mental Models · Markets
Disruption Theory

Low-end or new-market entrants overtake established incumbents.

Mental Models · Decision
Eisenhower Matrix

Urgent vs. important; act, schedule, delegate, delete.

Mental Models · Decision
Eisenhower's Quadrant II

Important-but-not-urgent is where strategic leverage lives.

Mental Models · Probability
Ergodicity

Average outcomes across the population differ from outcomes across time for one person.

Mental Models · Decision
Expected Utility (vs. Expected Value)

Decisions optimize utility, not value.

Mental Models · Probability
Expected Value

Probability × payoff, summed across outcomes.

Mental Models · Reasoning
Fermi Estimation

Decompose a problem into estimable parts; multiply through.

Mental Models · Reasoning
First Principles

Break a problem down to irreducible truths and rebuild from there.

Mental Models · Systems
Flywheel Effect

Self-reinforcing loops of momentum.

Mental Models · Strategy
Game Theory

Decisions depend on what other strategic actors will do.

Mental Models · Social
Hanlon's Razor

Don't attribute to malice what's explainable by incompetence — or incentives.

Mental Models · Strategy
Hedgehog Concept (Collins)

Intersection of what you're best at, passionate about, and economically viable in.

Mental Models · Reasoning
Hedgehog vs. Fox

Hedgehogs know one big thing; foxes know many small things.

Mental Models · Decision
Hick's Law

Decision time grows with the number of choices.

Mental Models · Markets
Innovator's Dilemma

Doing everything right by current customers can kill you.

Mental Models · Reasoning
Inversion

Solve forward by asking how to fail.

Mental Models · Markets
Jobs to Be Done

Customers hire products to do a job in their life.

Mental Models · Probability
Kelly Criterion

Bet size optimized to maximize long-run growth without ruin.

Mental Models · Learning
Latticework of Mental Models

A diverse set of models from many disciplines, used together.

Mental Models · Probability
Lindy Effect

The longer an idea has survived, the longer it likely will.

Mental Models · Strategy
Local vs. Global Maximum

The best place nearby vs. the best place overall.

Mental Models · Markets
Long Tail

Aggregating many niche markets equals or exceeds the mainstream.

Mental Models · Decision
Loss Function

How outcomes are weighted in the decision calculus.

Mental Models · Reasoning
Map vs. Territory

Models are simplifications — never the thing itself.

Mental Models · Risk
Margin of Safety

Build buffers so small mistakes don't become fatal.

Mental Models · Economics
Marginal Analysis

Decisions hinge on the next unit, not on the average.

Mental Models · Strategy
Mental Model of the Other Side

Always have a working model of what your counterpart believes.

Mental Models · Social
Mimetic Desire (Girard)

We want what others want.

Mental Models · Decision
Minimax Regret

Choose the option whose worst-case regret is least bad.

Mental Models · Strategy
Nash Equilibrium

A state where no player benefits from changing strategy unilaterally.

Mental Models · Economics
Network Effects

Value grows with the number of users.

Mental Models · Reasoning
Occam's Razor

Prefer the simplest explanation consistent with the evidence.

Mental Models · Strategy
OKRs (Objectives and Key Results)

Ambitious objectives paired with measurable key results.

Mental Models · Decision
OODA Loop

Observe, Orient, Decide, Act — faster than your competitor.

Mental Models · Economics
Opportunity Cost

The value of the next-best thing you could have done.

Mental Models · Strategy
Optionality

Investments that give you future choices.

Mental Models · Systems
Pareto Principle (80/20)

Most outcomes come from a few causes.

Mental Models · Systems
Path Dependence

Where you can go is constrained by where you've been.

Mental Models · Probability
Power Laws

A small number of items account for most of the value.

Mental Models · Decision
Pre-Mortem

Imagine the project failed; explain why.

Mental Models · Decision
Premortem + Postmortem Pair

Imagine the failure beforehand; investigate it afterward.

Mental Models · Strategy
Prisoner's Dilemma

Individual rationality produces collective irrationality.

Mental Models · Probability
Probabilistic Thinking

Reason in distributions, not in points.

Mental Models · Decision
Red Teaming

Adversarial review by an internal opposition.

Mental Models · Markets
Reflexivity

Beliefs about reality shape the reality.

Mental Models · Decision
Regret Minimization

Choose the option you'll regret least at 80.

Mental Models · Decision
Reversible vs. Irreversible Decisions

Two-way doors vs. one-way doors.

Mental Models · Probability
Reversion to the Mean

Extreme results tend to be followed by less extreme ones.

Mental Models · Risk
Risk vs. Uncertainty

Risk has known probabilities. Uncertainty doesn't.

Mental Models · Markets
S-Curve

Technologies grow slowly, then explode, then plateau.

Mental Models · Strategy
Schelling Point

The default coordination outcome people converge on without communicating.

Mental Models · Decision
Second-Order Thinking

Ask 'and then what?' — twice.

Mental Models · Probability
Selection Bias

Your sample isn't random.

Mental Models · Learning
Single Loop vs. Double Loop Learning

Single-loop fixes errors; double-loop questions the assumptions producing them.

Mental Models · Risk
Skin in the Game

Decision-makers should bear the consequences of their decisions.

Mental Models · Social
Status Games

Much of human behavior is positioning for status.

Mental Models · Learning
Steel-Manning (Argumentation)

Restate the opposing view at its strongest before responding.

Mental Models · Strategy
Strategy Map

Causal chain from inputs to outputs to outcomes to impact.

Mental Models · Reasoning
Streetlight Effect

Looking where the light is, not where the keys are.

Mental Models · Learning
Strong Opinions, Loosely Held

Have a thesis. Update it on evidence.

Mental Models · Decision
Sunk Cost (model form)

Past investment is irrelevant to future decisions.

Mental Models · Economics
Switching Costs

What does it cost to leave?

Mental Models · Systems
Systems Thinking

Behavior emerges from structure, not from individuals.

Mental Models · Social
Theory of Mind

Modeling what others think, want, and will do.

Mental Models · Strategy
Tit for Tat

Start cooperative; copy your counterpart's last move thereafter.

Mental Models · Systems
Tragedy of the Commons

Shared resources get over-consumed by individual rational actors.

Mental Models · Systems
Two-Pizza Teams

Teams small enough to be fed by two pizzas.

Mental Models · Probability
Type I vs. Type II Errors

False positives vs. false negatives.

Mental Models · Social
Veil of Ignorance

Design rules without knowing where you'll land under them.

Mental Models · Strategy
Vision-Strategy-Tactics

Where, how, what — in that order.

Mental Models · Decision
Working Backwards

Start from the customer outcome and reason backward to today.