Chapter 8

Demand Curve Looks Horizontal
to  a Perfect Competitor

Firm’s Supply Curve Is Its Rising Marginal Cost Curve

Firm’s Supply Curve Travels Down the MC Curve to the Shutdown Point

Add All Firms’ Supply Curves
to Derive Market Supply

Effect of Increase in Demand on Price Varies in Different Time Periods

Constant-Cost Case

Increasing-Cost Case

Factors with Fixed Supply
Earn Rent

Backward-Bending Supply Curve

At Competitive Equilibrium Point E,
the Marginal Costs and Utilities of Food
Are Exactly Balanced

Competitive Market Integrates Consumers’ Demands and Producers’ Costs