Mathematics & Formal Models
Global and Local Maxima
A local maximum is the best option in your immediate neighborhood but not the best option overall (the global maximum)
OptimizationThe encyclopedia
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Economics & Finance
Bubbles
Asset prices can detach from fundamental value when speculation, social contagion, and positive feedback loops drive prices far above intrinsic worth
Market DynamicsEconomics & Finance
Interdependence
The condition where elements of a system mutually depend on each other—changes in one produce changes in others
Market StructureStrategy & Decision-Making
The Emotion Default
The biological tendency to respond to feelings rather than reasons
Cognitive DefaultsStrategy & Decision-Making
The Ego Default
The pervasive cognitive default where decisions are unconsciously driven by ego protection—maintaining self-image, avoiding embarrassment, seeking status validation, or defending against perceived threats to identity—rat…
Cognitive DefaultsStrategy & Decision-Making
The Social Default
The powerful cognitive and behavioral tendency to DEFAULT to whatever option requires the least social friction—choosing what others are doing, what's expected, or what avoids standing out, rather than what's optimal
Cognitive DefaultsCommunication & Persuasion
Contrast
The communication and persuasion principle that meaning is shaped by JUXTAPOSITION: placing two things side by side changes how each is perceived
Persuasion & FramingCommunication & Persuasion
Genre
The category or type of communication that carries implicit rules about form, content, tone, and expectations—and that audiences use to interpret and evaluate what they receive
Narrative & StorytellingCommunication & Persuasion
Audience
The communication principle that every message must be designed for its specific RECEIVER, not for the sender's preferences—because the audience's existing knowledge, values, language, concerns, and attention determine h…
Audience & ImpactStrategy & Decision-Making
Unforced Error
A strategic concept borrowed from tennis: an UNFORCED ERROR is a mistake that results from your own failure rather than your opponent's excellence—dropping the ball when no one pressured you
Cognitive ErrorsStrategy & Decision-Making
Preserving Optionality
The strategic principle of maintaining FUTURE CHOICES by avoiding premature commitment—keeping options open when uncertainty is high and the cost of reversing decisions is significant
Decision FrameworksStrategy & Decision-Making
De-Risking
The strategic practice of systematically reducing risk exposure through specific interventions BEFORE committing significant resources—converting uncertainty into manageable risk through information gathering, staged inv…
Decision FrameworksStrategy & Decision-Making
Tyranny of Small Decisions
Alfred Kahn's concept that a series of individually rational, small decisions can aggregate into a collectively irrational, large outcome that NO individual decision-maker would have chosen if presented with the total re…
Systemic Failure PatternsStrategy & Decision-Making
Cobra Effect
The phenomenon where an incentive designed to solve a problem actually WORSENS it by creating perverse incentives: during British colonial rule in India, a bounty for dead cobras led people to BREED cobras for the bounty…
Unintended ConsequencesManagement & Organizations
Directly Responsible Individual
Apple's organizational principle that every project, task, or decision has ONE specific person who is the Directly Responsible Individual (DRI)—not a committee, not a team, but a single named person who owns the outcome
Organizational DesignCommunication & Persuasion
Third Story
The Difficult Conversations framework (Stone, Patton, Heen) of adopting a THIRD STORY perspective: rather than entering a disagreement from YOUR story ('you're wrong') or THEIR story ('I'm wrong'), start from a neutral t…
Conflict ResolutionStrategy & Decision-Making
The Inertia Default
The tendency to maintain the status quo, stay in our comfort zone, and continue doing what we've been doing even when better options exist
Cognitive DefaultsGeneral Thinking
Default to Clarity
The communication discipline of choosing PRECISION and SIMPLICITY over impressive complexity—making your meaning unmistakable rather than impressive
Decision QualityGeneral Thinking
Safeguards
Pre-committed rules and procedures that protect decision quality when you're most vulnerable to poor judgment
Decision QualityGeneral Thinking
Self-Accountability
The practice of holding yourself to standards and commitments REGARDLESS of external enforcement—taking ownership of outcomes rather than attributing them to circumstances, others, or luck
Personal DevelopmentGeneral Thinking
Problem-Solution Firewall
The analytical discipline of keeping PROBLEM DEFINITION separate from SOLUTION GENERATION—ensuring that the problem is thoroughly understood and correctly framed before any solutions are proposed
Decision QualityStrategy & Decision-Making
Both-And Options
The strategic practice of rejecting false dichotomies and seeking solutions that achieve MULTIPLE apparently competing objectives simultaneously—integrating rather than choosing between competing goods
Strategic FrameworksGeneral Thinking
Self-Knowledge
The meta-cognitive capacity to accurately perceive one's own mental states, abilities, patterns, motivations, and blind spots
Personal DevelopmentGeneral Thinking
Self-Control
The capacity to override immediate impulses, desires, and emotional reactions in service of longer-term goals—the ability to choose delayed gratification over immediate reward
Personal DevelopmentGeneral Thinking
Exemplars + Practice
The learning methodology combining EXEMPLARS (high-quality examples of the target skill or output) with DELIBERATE PRACTICE (structured repetition with feedback)
Learning & GrowthStrategy & Decision-Making
The Test of Time
The evaluative framework of assessing ideas, practices, strategies, and relationships by whether they've ENDURED rather than whether they're novel
Decision MakingPsychology & Cognitive Science
Persian Messenger Syndrome
The tendency to punish the bearer of bad news, named after the ancient Persian practice of killing messengers who brought news of military defeat
Organizational PsychologyPsychology & Cognitive Science
Believe First and Doubt Later
Daniel Gilbert's research showing that the brain's DEFAULT response to new claims is to BELIEVE them—and that disbelief requires a SECOND, effortful cognitive step
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Self-Deception and Denial
The psychological mechanisms by which people systematically distort their perception of reality to maintain psychological comfort, protect self-image, or avoid painful truths
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Deprival Syndrome
The intense, disproportionate reaction to losing something—or being threatened with losing something—you already possess
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Omission and Abstract Blindness
Two related cognitive biases: OMISSION BLINDNESS—the systematic failure to notice what's ABSENT (missing data, non-events, dogs that didn't bark)
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Say-Something Syndrome
The cognitive bias where people feel compelled to CONTRIBUTE to discussions, offer opinions, or provide input even when they have nothing meaningful to add—driven by social pressure to demonstrate engagement, intelligenc…
Organizational PsychologyPsychology & Cognitive Science
Sensemaking Bias
The cognitive tendency to construct coherent narratives and causal explanations from random or loosely connected events—seeing meaningful patterns where none exist
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Neural Connection Plasticity
The brain physically rewires itself based on experience—neurons that fire together wire together, and unused connections are pruned
Learning & DevelopmentSystems & Complexity
Cultural Evolution
The process by which knowledge, practices, tools, and norms accumulate across generations—not through genetic inheritance but through social learning, imitation, and teaching
Cultural & Social ModelsPsychology & Cognitive Science
Impatience
The tendency to overvalue immediate rewards and undervalue delayed ones (hyperbolic discounting)
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Memory Limitations
The cognitive science finding that human memory is severely limited in capacity, duration, and accuracy—and that these limitations systematically distort decision-making, learning, and self-understanding
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Emotional Arousal
When emotionally aroused (angry, frightened, excited, sexually aroused), decision-making quality degrades dramatically
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Reward and Punishment
The most fundamental behavioral mechanism: organisms repeat behaviors that are rewarded and cease behaviors that are punished
Behavioral PsychologySystems & Complexity
Hydra Effect
The systemic phenomenon where attempting to suppress or destroy a problem MULTIPLIES it—named after the mythological Hydra that grew two heads for every one cut off
Unintended ConsequencesPsychology & Cognitive Science
Backfire Effect
The phenomenon where presenting people with evidence AGAINST their strongly held beliefs can actually STRENGTHEN those beliefs rather than weakening them
Cognitive Biases & HeuristicsPsychology & Cognitive Science
Echo Chamber
The information environment where beliefs are amplified and reinforced through repetition within a closed community that excludes dissenting views
Information & MediaStrategy & Decision-Making
Hick's Law
William Hick's experimental finding that the time required to make a decision INCREASES LOGARITHMICALLY with the number of choices available
Decision MakingStrategy & Decision-Making
Perfect Is the Enemy of Good
Voltaire's principle: pursuing perfection often prevents delivering anything at all
Strategic FrameworksSystems & Complexity
S-Curve
The characteristic shape of growth in most natural and business systems: slow initial growth (struggling for traction), rapid exponential growth (hitting product-market fit), then gradual deceleration and plateau (market…
Growth & AdoptionStrategy & Decision-Making
Innovator's Dilemma
Clayton Christensen's finding that successful companies fail not despite doing everything right, but because of it
Innovation & TechnologyMathematics & Statistics
Monte Carlo Simulation
A computational technique that uses RANDOM SAMPLING to estimate outcomes of complex systems that resist analytical solution—running thousands or millions of simulations with randomized inputs to produce probability distr…
Quantitative ModelsManagement & Organizations
Servant Leadership
Robert Greenleaf's philosophy that the primary role of a leader is to serve those they lead—removing obstacles, providing resources, developing people, and creating conditions for others to succeed
Leadership ModelsPage 26 of 50 · 1201–1248 of 2,375 models