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# Basic economics concepts

AP Macro: MKT (BI), MKT‑1 (EU), MKT‑2 (EU), MOD (BI), MOD‑1 (EU)

AP Macro: MOD (BI), MOD‑1 (EU), MOD‑1.A (LO), MOD‑1.A.1 (EK)

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Introduction to scarcity and the economic way of thinkingGet 3 of 4 questions to level up!

AP Macro: MOD (BI), MOD‑1 (EU), MOD‑1.B (LO), MOD‑1.B.1 (EK), MOD‑1.B.2 (EK), MOD‑1.B.3 (EK), MOD‑1.B.4 (EK), MOD‑1.B.5 (EK)

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Opportunity cost and the PPCGet 3 of 4 questions to level up!

AP Macro: MKT (BI), MKT‑1 (EU), MKT‑1.A (LO), MKT‑1.A.1 (EK), MKT‑1.A.2 (EK), MKT‑1.B (LO), MKT‑1.B.1 (EK), MKT‑1.B.2 (EK)

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Comparative advantage and the gains from tradeGet 3 of 4 questions to level up!

AP Macro: MKT (BI), MKT‑2 (EU), MKT‑2.A (LO), MKT‑2.A.1 (EK), MKT‑2.B (LO), MKT‑2.B.1 (EK)

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DemandGet 3 of 4 questions to level up!

AP Macro: MKT (BI), MKT‑2 (EU), MKT‑2.C (LO), MKT‑2.C.1 (EK), MKT‑2.D (LO), MKT‑2.D.1 (EK)

AP Macro: MKT (BI), MKT‑2 (EU), MKT‑2.E (LO), MKT‑2.E.1 (EK), MKT‑2.F (LO), MKT‑2.F.1 (EK), MKT‑2.G (LO), MKT‑2.G.1 (EK)

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Market equilibrium and disequilibriumGet 5 of 7 questions to level up!

Changes in equilibriumGet 5 of 7 questions to level up!