Homo Economicus
The mythical fully rational, self-interested, utility-maximizing agent neoclassical models assume.
"Cited often. Met never."
What is Homo Economicus? The mythical fully rational, self-interested, utility-maximizing agent neoclassical models assume. If your strategy only works for homo economicus, it does not work.
The textbook chooser who never anchors, never loves, never gets tired, never regrets.
If your strategy only works for homo economicus, it does not work.
Design for the human in the chair, not the agent in the equation.
Use the model. Pick the move.
The mythical fully rational, self-interested, utility-maximizing agent neoclassical models assume. You've just seen this: The textbook chooser who never anchors, never loves, never gets tired, never regrets. Which lever does the model recommend?
Pick a lever. There are no neutral ones — every incentive funds a behavior somewhere.
Pick a reaction to Homo Economicus
One tap. We'll point you at the most useful next surface based on how this hits.
The full taxonomy entry
Every concept in the Atlas uses the same structure — so Homo Economicus can be compared, recombined, and cited like an element on a periodic table.
- Business
- Leadership
- Government
- Healthcare
- Education
- Sales
- Marketing
- AI
- Negotiation
- Media
- Public Policy
- Relationships
- Where in our org would Homo Economicus most often show up unnoticed?
- Which metric, ritual, or contract clause quietly rewards Homo Economicus?
- If we removed every payoff for Homo Economicus, what behavior would replace it?
- Who benefits when Homo Economicus persists — and who pays the cost?
- People defend the status quo using the language of homo economicus.
- Decisions cluster around the easiest narrative rather than the strongest evidence.
- New data changes the slide deck but not the decision.
- Anyone naming the pattern is treated as the problem.
Every Atlas entry is a node in a knowledge graph. See the related rail below to follow the connections.
See Homo Economicus through 2 lenses
Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.
Do you actually know Homo Economicus?
Three quick questions. Result is saved into your review streak — come back when the term is due to lock it in.
Which best describes Homo Economicus?
Worked example, counter-example & concept map
On-demand AI analysis grounded in the Lab's research. Cached on your device after first run.
Your nervous system has a region for this.
When you encounter Homo Economicus, your striatum has built a reward association — and the next time the cue appears, it will push you toward the behavior whether you decide to or not.
Reward learning, habit formation, anticipation, craving, action selection. Habits live here. So do addictions. Variable rewards train this circuit faster than fixed ones.
See Striatum in the Brain Atlas →Picked for you, from the Atlas
Ranked by shared learning paths, overlapping chips, and what you've saved.
Exploiting price differences between markets for risk-free profit.
The study of how real humans actually decide — bounded, social, emotional, and inconsistent.
With clear property rights and low transaction costs, parties negotiate to efficient outcomes.
Specialize in what you give up the least to do.
Complements raise each other's value; substitutes lower it.
Fixed costs don't scale with output; variable costs do.
Send the card, not just the link
A pre-rendered social card with the title, eyebrow, and URL. Copy the link, post it anywhere, or download the SVG for slides.
More definitions to follow
Every term in the Atlas connects to a dozen others. Pick any of these and see where it takes you.
We climb from raw data to action through selection, meaning-making, and assumption — usually invisibly.
Rick Hanson: 'Velcro for negative, Teflon for positive.' The brain encodes threats faster and stickier than rewards.
The NLP claim that the unconscious mind runs the body, stores memory, organizes patterns, and seeks to follow the directives it's given.
Funding rules force districts to add sugary sides to hit caloric minimums.
Accidents occur when multiple layers of defenses fail simultaneously.
Unfinished tasks stick in working memory more than completed ones.
It's right because it's how we've always done it.
Candidates dependent on large donors become structurally responsive to donor priorities over voter priorities.
Psychological distance shifts thinking between abstract and concrete.
Two options seen side-by-side look more different than they are in isolation.
Crediting a source or cause that isn't actually responsible.
Confident incorrect outputs may rank higher than hedged correct ones.