Goodhart's Law
When a measure becomes a target, it ceases to be a good measure.
"The metric you optimize is the metric that betrays you."
What is Goodhart's Law? When a measure becomes a target, it ceases to be a good measure. Every KPI eventually corrodes if attached to comp without offsetting metrics.
Customer service teams optimizing 'time to close ticket' produce un-resolved tickets, fast.
Every KPI eventually corrodes if attached to comp without offsetting metrics.
Pair every metric with a counter-metric. Rotate KPIs. Audit gamification.
When the dashboard goes green and the business goes sideways at the same time.
This term appears in this learning path
You run a contact center. You tie bonuses to one of these. Which?
Pick the KPI. Watch the side effects.
Pick a reaction to Goodhart's Law
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The full taxonomy entry
Every concept in the Atlas uses the same structure — so Goodhart's Law 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 Goodhart's Law most often show up unnoticed?
- Which metric, ritual, or contract clause quietly rewards Goodhart's Law?
- If we removed every payoff for Goodhart's Law, what behavior would replace it?
- Who benefits when Goodhart's Law persists — and who pays the cost?
- People defend the status quo using the language of goodhart's law.
- 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 Goodhart's Law through 4 lenses
Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.
- Layer 8Organizational Psychology
What is the org actually rewarding — versus claiming to reward?
- Layer 11Economics & Mechanism Design
Who pays, who is paid, and what does the price signal hide?
- Layer 15AI & Alignment
What proxy reward is the AI optimizing — and what is it ignoring?
- Layer 18Temporal Models
What happens if this incentive compounds for ten years?
Do you actually know Goodhart's Law?
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Which best describes Goodhart's Law?
Worked example, counter-example & concept map
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Your nervous system has a region for this.
When you encounter Goodhart's Law, 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.
The more a quantitative indicator drives decisions, the more it distorts the process it measures.
A reward designed to reduce X produces more X.
Annual bonuses reward annual results — risk that blows up in year four with damage in year seven is rational.
Quarterly bonuses create end-of-quarter behavior changes.
Pay tied to stock price encourages short-term price management.
Once-a-year feedback rewards once-a-year behavior.
Send the card, not just the link
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More definitions to follow
Every term in the Atlas connects to a dozen others. Pick any of these and see where it takes you.
Tying utility profit to capital spent penalizes cheaper non-wire efficiency solutions.
Believing streaks predict future streaks.
Doing something good gives us mental permission to do something bad.
Ambitious objectives paired with measurable key results.
People value gains and losses asymmetrically, and judge relative to a reference point.
We remember the beginning and the end of a list better than the middle.
Drawing a target around wherever the bullets landed.
The minimum energy needed to start a reaction; same idea for starting habits or initiatives.
Task switches leave cognitive residue that degrades performance.
Donors penalize 'overhead'; charities under-invest in capacity.
Coordinated action that produces outcomes unavailable to individual actors.
We remember peaks and ends, not the duration in between.