Risk Aversion is preference for certain outcomes over uncertain ones of equal expected value. It sits in the Cognition dimension (COG) of the Human Behavior Taxonomy™ as element HBT-COG-0585, within the Decision family. The core principle: preference for certain outcomes over uncertain ones of equal expected value. In incentive terms, it matters because it changes the payoff people perceive before they choose — which means it can be designed for, or exploited.
Scientific Definition
Preference for certain outcomes over uncertain ones of equal expected value.
Plain-English Definition
Preference for certain outcomes over uncertain ones of equal expected value.
Feynman Explanation
A bird in the hand discounts the entire bush by 40%.
Core Principle
Preference for certain outcomes over uncertain ones of equal expected value.
Mechanisms
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Inputs (Triggers)
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Outputs (Behaviors)
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Behavioral Signature
A bird in the hand discounts the entire bush by 40%.
Examples
- Employees prefer a smaller guaranteed bonus to a larger probabilistic one.
- Risk aversion at the top of the org kills bets the bottom would happily take.
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Original analysis from The Incentives Lab — how this element behaves inside real payoff structures.
Why this element matters to incentive design
When this element shows up in a diagnostic, the instinct is to train people out of it. Training rarely moves it. The mechanism underneath it operates in the Cognition dimension — how do we think?. You can recognize it in the field by its signature: a bird in the hand discounts the entire bush by 40%. Every element in the Cognition dimension changes the perceived payoff of an action before the action happens, which is exactly where incentive design has leverage.
How it gets exploited
Left undesigned, conservative model defaults reflect built-in risk aversion as much as safety. It is amplified whenever risk aversion at the top of the org kills bets the bottom would happily take. Inside organizations that shows up as risk aversion at the top of the org kills bets the bottom would happily take. The pattern is the same one Goodhart's Law describes: the measurable proxy attracts the effort, and the purpose behind it quietly loses funding.
How the Lab designs around it
The redesign move is to separate decisions you can repeat from one-shot bets; tolerate risk where you can average. Design against it the way you would design against a known failure mode — assume it will appear, and price the exploit before someone finds it.
Famous Experiments
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Design Principles
- Separate decisions you can repeat from one-shot bets; tolerate risk where you can average.
Measurement Approaches
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Evidence
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The Perverse Incentive Lens™
How this behavior is exploited — and how to redesign around it.
- Separate decisions you can repeat from one-shot bets; tolerate risk where you can average.
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Interactive Mini Network
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Knowledge Graph Neighbors
Auto-linked to the rest of the Human Behavior Taxonomy by family, domain, dimension, and shared keywords.
Describing a choice in terms of potential losses to trigger loss aversion.
Clear ownership of outcomes, not just tasks.
Asymmetric information attracts the worst counterparties.
We defer to perceived expertise, rank, or uniform.
Vastness that exceeds existing schemas dissolves the self briefly.
Negative feedback returns a system toward a target.
Membership in a group is a baseline human need.
Individually rational choices that produce a collectively bad outcome.
We seek tasks where we feel effective and improving.
Competing loyalties that compromise judgment.
Value is judged against whatever sits next to it.
Outcomes depend on aligning choices, not on who 'wins.'
Where Risk Aversion is cited in the corpus
Essays, field guides, and diagnostics from The Incentives Lab that apply this element.
- EssayGoodhart's Law in the Real World
How measurable proxies capture judgment.
- EssayThe Perverse Incentives Hiding in Your KPIs
Cognitive shortcuts turned into scorecards.
- EssayIncentives Under Crisis
How this element behaves under pressure.
- ReferenceThe incentive glossary
Definitions for every mental model, bias, and fallacy in the corpus.
- ReferenceThe Periodic Table of Human Behavior
The full 1,267-element map this page belongs to.
Questions about Risk Aversion
- What is Risk Aversion?
- Risk Aversion is preference for certain outcomes over uncertain ones of equal expected value. It sits in the Cognition dimension (COG) of the Human Behavior Taxonomy™ as element HBT-COG-0585, within the Decision family. The core principle: preference for certain outcomes over uncertain ones of equal expected value. In incentive terms, it matters because it changes the payoff people perceive before they choose — which means it can be designed for, or exploited.
- What is an example of Risk Aversion?
- Risk aversion at the top of the org kills bets the bottom would happily take. The Incentives Lab catalogs everyday, organizational, and historical instances of this element on its Human Behavior Taxonomy™ page (HBT-COG-0585).
- How is Risk Aversion exploited?
- Conservative model defaults reflect built-in risk aversion as much as safety.
- How do you design around Risk Aversion?
- Separate decisions you can repeat from one-shot bets; tolerate risk where you can average.
- Which behavioral dimension does Risk Aversion belong to?
- Risk Aversion is classified in the Cognition dimension (COG) of the Human Behavior Taxonomy™, family "Decision", class "Concept". Its permanent identifier is HBT-COG-0585 and its evidence grade is C.