Diderot Effect
One new possession spirals into a cascade of complementary purchases.
"You bought the robe. Now the chair has to go."
What is Diderot Effect? One new possession spirals into a cascade of complementary purchases. Product ecosystems engineer Diderot spirals on purpose.
Buying a new phone triggers cases, headphones, watches, a plan upgrade.
Product ecosystems engineer Diderot spirals on purpose.
Name the cascade before the second purchase.
Use the model. Pick the move.
One new possession spirals into a cascade of complementary purchases. You've just seen this: Buying a new phone triggers cases, headphones, watches, a plan upgrade. Which lever does the model recommend?
Pick a lever. There are no neutral ones — every incentive funds a behavior somewhere.
Pick a reaction to Diderot Effect
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 Diderot Effect 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 Diderot Effect most often show up unnoticed?
- Which metric, ritual, or contract clause quietly rewards Diderot Effect?
- If we removed every payoff for Diderot Effect, what behavior would replace it?
- Who benefits when Diderot Effect persists — and who pays the cost?
- People defend the status quo using the language of diderot effect.
- 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 Diderot Effect through 3 lenses
Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.
Do you actually know Diderot Effect?
Three quick questions. Result is saved into your review streak — come back when the term is due to lock it in.
Which best describes Diderot Effect?
Worked example, counter-example & concept map
On-demand AI analysis grounded in the Lab's research. Cached on your device after first run.
When you encounter Diderot Effect, your prefrontal cortex has to do extra work to override the automatic response — and that override budget is finite.
Executive control, planning, impulse override, working memory, System 2. First thing to go offline under stress, fatigue, or low blood sugar. Why your 4pm decisions are worse than your 9am ones.
See Prefrontal in the Brain Atlas →Picked for you, from the Atlas
Ranked by shared learning paths, overlapping chips, and what you've saved.
How will I feel about this in 10 minutes / 10 months / 10 years?
Inattention or forgetfulness caused by low attention, hyperfocus, or distraction.
Predicting how we will feel in the future, usually inaccurately.
Forgetting to compare an offer with the next-best alternative.
Outcomes that could have happened but did not.
Overthinking a situation so that decision-making stalls.
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.
A single constraint limits the throughput of an entire system.
What's true of the parts is assumed true of the whole.
Glucose, omega-3s, sleep, and hydration each influence decision quality.
Designing organizations to ride doubling curves — AI, data, compute, biotech — rather than linear improvement.
When a measure becomes a target, it ceases to be a good measure.
Different agents pursue the same subgoals regardless of their ultimate goals.
Neurons that fire both when acting and when observing the action.
The moment after which reversing a course becomes impossible or extremely costly.
Frequency and variability of reward shape behavior strongly.
Threats to status trigger the same neural alarm as physical threats.
Database optimized for high-dimensional similarity search.
Emotional override of rational processing.