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Macroeconomics Study Notes: Scarcity, Opportunity Cost, Supply & Demand, and Elasticity

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Three Key Economic Ideas

Factors of Production

Production Possibilities Frontier (PPF) - Introduction and Productive Efficiency

PPF - Comparative Advantage and Absolute Advantage

Introduction to Supply and Demand

The Basics of Demand

Shifting Demand

The Basics of Supply

Shifting Supply

Supply and Demand Together: Equilibrium, Shortage, and Surplus

Price Elasticity of Demand on a Graph

Percentage Change and Price Elasticity of Demand

Cross-Price Elasticity of Demand

Income Elasticity of Demand