Section
Decision Models
Every financial choice is a decision under uncertainty. This section introduces the mental models and frameworks that improve decision quality: expected value thinking, opportunity cost analysis, reversibility tests, and second-order consequences.
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Thinking, Fast and Slow: Summary and Review
A Thinking Fast and Slow summary and review: two systems, biases and prospect theory, what has held up,…
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Second-Order Thinking: Seeing What Happens Next
Second order thinking means asking what happens after the obvious result. See examples from money, work and policy,…
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Expected Value: How to Use It for Real Decisions
Expected value weights each outcome by its probability to compare uncertain choices. See the formula, money examples, and…