AP Micro Midterm-What needs work

Purchasing power

Complements and Substitutes 

Law of Demand/Supply

Elasticity of Demand/Supply

Cross Price Elasticity of Demand

Perfectly competition

Monopolistic Competition

Monopoly 

Oligopoly

Accounting Profit, Economic Profit, Normal Profit

Economies of scale vs Diseconomies of scale

Short-run vs Long-run Equilibrium

Social Optimal/allocatively efficient and Fair Return/Normal Profit Price/quantity

Least Cost Rule

Diminishing Marginal Returns

Derived Demand

Factor/Labor Market

Labor Demand/Supply

Positive/Negative Consumption/Production Externalities

Absolute vs Comparative Advantage

Per unit vs Lump sum tax/subsidy 

Production Possibilities Curve