Brain Food: The Three Lenses of Opportunity Cost
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Brain Food: The Three Lenses of Opportunity Cost
The three lenses of opportunity cost: (1) Compared with what? (2) And then what? (3) At the expense of what?
Brain Food: Chalkboard Decisions
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the 3-lens principle: View opportunity costs through these three lenses: (1) Compared with what? (2) And then what? (3) At the expense of what?