A first-order analyst sees that lowering prices increases volume; a second-order analyst asks how competitors will respond, what the new price implies about brand positioning, and whether the volume gain compounds or reverses. Most strategic mistakes are first-order analyses applied to second-order problems.
Glossary
Second-Order Thinking
And then what?
In short
A reasoning discipline popularized by Howard Marks that requires asking "and then what?" after every first-order conclusion. First-order thinking stops at the immediate effect of a decision; second-order thinking traces the cascade of consequences, reactions, and feedback loops that follow.
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A distinction introduced by economist Herbert Simon to describe two decision styles.
Definition TermScenario Planning
A strategic methodology that models multiple plausible futures rather than attempting to predict a single outcome.
Definition TermSession Mode
A preset configuration that shapes how agents behave in a multi-agent session — balanced analysis, contrarian review, red-teaming, brainstorming.
Definition TermStrategic Fork
A decision point where available paths diverge significantly and the choice is difficult or impossible to reverse once committed.
Definition TermStructured Disagreement
A decision-making approach where disagreement is deliberately engineered and preserved as valuable signal rather than suppressed.
Definition GuideDecision intelligence, explained
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