Skip to main content
The Incentives Lab
Fallacy · Relevance

Two Wrongs Make a Right

Justifying a wrong because someone else also did wrong.

"Their bad behavior is not your blank check."

Quick answer

What is Two Wrongs Make a Right? Justifying a wrong because someone else also did wrong. Ethics infrastructure rots under retaliatory logic.

In the wild

'They violated the partnership first, so we're allowed to.'

Why it matters in the room

Ethics infrastructure rots under retaliatory logic.

Visual · Broken inference
P1P2P3P4∴ ?
Two Wrongs Make a Right chains valid-looking steps to an invalid conclusion.
Live example · Feel two wrongs make a right

Drag yourself across Two Wrongs Make a Right.

Real scene: 'They violated the partnership first, so we're allowed to.' The pull below is the same one two wrongs make a right exerts on the call. Find the position where you stop being able to defend yourself with logic.

● Live
Trust the dataTrust the gut
040100
Calibrated

In the room: Ethics infrastructure rots under retaliatory logic.

How does this land?

Pick a reaction to Two Wrongs Make a Right

One tap. We'll point you at the most useful next surface based on how this hits.

Human Behavior Element™ · HBE Spec

The full taxonomy entry

Every concept in the Atlas uses the same structure — so Two Wrongs Make a Right can be compared, recombined, and cited like an element on a periodic table.

About the standard →
F
TW
HBT-F7007
Official name
Two Wrongs Make a Right
Fallacy · Relevance
Identity
HBT ID
HBT-F7007
Symbol
TW
Official name
Two Wrongs Make a Right
Synonyms
Relevance
Keywords
Fallacy, Relevance, human behavior, incentive design
Version
v1.0
Last updated
Maintained by The Incentives Lab
Classification
Kingdom
Cognition
Domain
Reasoning
Family
Logical Fallacy
Class
Relevance
Element
Two Wrongs Make a Right
Definition
Scientific
Justifying a wrong because someone else also did wrong.
Plain-English
Justifying a wrong because someone else also did wrong.
Feynman
Their bad behavior is not your blank check.
Core principle
Justifying a wrong because someone else also did wrong.
One-sentence summary
Ethics infrastructure rots under retaliatory logic.
Mechanisms
Psychological
Justifying a wrong because someone else also did wrong.
Behavioral econ.
Ethics infrastructure rots under retaliatory logic.
Neurological
Reward, threat, and salience circuits bias attention toward the cue.
Evolutionary
Heuristics that paid off in ancestral environments now misfire in modern systems.
Sociological
Group norms and status incentives reinforce the pattern across a team.
Computational
Models trained on biased human signals will replicate and amplify the pattern.
Systems thinking
Feedback loops between metrics, incentives, and behavior lock the pattern in place.
Signals & signature
Inputs (activators)
'They violated the partnership first, so we're allowed to.'
Outputs (observable)
Ethics infrastructure rots under retaliatory logic.
Behavioral signature
You see Two Wrongs Make a Right when the explanation for a decision sounds reasonable but the outcome keeps repeating.
Behavioral molecules
Often combines with related Atlas entries — see the rail below.
Pathways · before
A goal, metric, or contract clause makes the behavior rational locally.
Pathways · after
Locally rational choices accumulate into a systemic distortion.
Domains where it shows up
  • Business
  • Leadership
  • Government
  • Healthcare
  • Education
  • Sales
  • Marketing
  • AI
  • Negotiation
  • Media
  • Public Policy
  • Relationships
Examples
Everyday
'They violated the partnership first, so we're allowed to.'
Modern
Ethics infrastructure rots under retaliatory logic.
Historical
A pattern repeatedly documented since the foundational behavioral science literature on logical fallacy.
Famous experiments
See the References block — primary papers in the Atlas link out to the original studies.
Design principles
How to leverage
Ethics infrastructure rots under retaliatory logic.
How to reduce
Make the perverse payoff visible; remove or invert it.
How to redesign
Redesign the incentive so two wrongs make a right stops being the path of least resistance.
The Perverse Incentive Lens™
How it's exploited
Organizations weaponize two wrongs make a right — sometimes deliberately, often by accident — when metrics reward the symptom rather than the outcome.
Common perverse incentives
Volume metrics, short review windows, bonus cliffs, and contracts that pay on activity rather than impact.
Failure modes
When Two Wrongs Make a Right dominates, teams optimize for the dashboard while the real outcome quietly degrades.
Incentive redesign
Pay for the outcome you actually want; remove rewards for behavior that only looks like the outcome.
Ethical considerations
Don't engineer two wrongs make a right into customers, employees, or citizens as a manipulation tactic — design for informed choice instead.
Diagnostic questions
  • Where in our org would Two Wrongs Make a Right most often show up unnoticed?
  • Which metric, ritual, or contract clause quietly rewards Two Wrongs Make a Right?
  • If we removed every payoff for Two Wrongs Make a Right, what behavior would replace it?
  • Who benefits when Two Wrongs Make a Right persists — and who pays the cost?
Organizational warning signs
Metrics
A KPI is hit while the underlying outcome stalls or worsens.
Behaviors
People route around the rule rather than challenge it.
Language
'That's just how we do it here.' / 'The system requires it.'
Culture
Naming the pattern is treated as disloyalty.
Red flags
  • People defend the status quo using the language of two wrongs make a right.
  • 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.
Intervention playbook
Immediate
Make the perverse payoff visible to the people creating it.
30-day
Run a small pilot that pays for the outcome, not the proxy.
Long-term
Rewrite the comp plan, contract, or ritual so the right behavior becomes the easy behavior.
AI considerations
Detect
Audit training data and reward signals for the same pattern this element describes.
Avoid amplifying
Don't optimize models on metrics that already encode the perverse incentive.
Counteract
Use the model to surface where the pattern is most active, then redesign the incentive — not the model.
Measurement
Metrics
Outcome-to-proxy ratio over time.
Assessment
The Incentives Lab III Diagnostic.
Survey
Calibrated pulse questions on rules vs. outcomes.
Behavioral signals
Where people work around the system.
Observational
Where the dashboard and the lived experience disagree.
Scientific evidence
Evidence grade
Synthesized from the behavioral science literature; see Atlas references.
Replication
Tracked in the Atlas as primary, replicated, or contested.
Intervention confidence
Moderate — patterns generalize, mechanisms vary by context.
Research consensus
Broad agreement on the pattern; ongoing debate on boundary conditions.
Known limitations
Local context, culture, and incentive structure all change the strength of the effect.
Open questions
How does Two Wrongs Make a Right interact with AI-mediated decisions at scale?
References
Meta-analyses
Tracked in the Atlas registry.
Seminal authors
Kahneman, Tversky, Thaler, Ariely, Cialdini, Ostrom, Simon — and the field they built.
Cross references

Every Atlas entry is a node in a knowledge graph. See the related rail below to follow the connections.

Disciplinary layers

See Two Wrongs Make a Right through 2 lenses

Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.

Test yourself · 60 seconds

Do you actually know Two Wrongs Make a Right?

Three quick questions. Result is saved into your review streak — come back when the term is due to lock it in.

Question 1 of 2Score: 0/2

Which best describes Two Wrongs Make a Right?

Go deeper

Worked example, counter-example & concept map

On-demand AI analysis grounded in the Lab's research. Cached on your device after first run.

How this lands in you

Your nervous system has a region for this.

Primary region
Anterior Cingulate

When you encounter Two Wrongs Make a Right, your anterior cingulate fires the alarm of mismatch — and the brain will work hard to resolve that discomfort, usually by changing its mind, not its world.

Conflict monitoring, error detection, effort allocation, pain of being wrong. Generates the unmistakable feeling of cognitive dissonance — and the urge to make it stop, often by changing the belief, not the behavior.

See ACC in the Brain Atlas →
You may also like

Picked for you, from the Atlas

Ranked by shared learning paths, overlapping chips, and what you've saved.

Share this rabbit-hole

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.

Keep pulling the thread

More definitions to follow

Every term in the Atlas connects to a dozen others. Pick any of these and see where it takes you.

Keep exploring the Atlas
← Browse the full Atlas