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Scratchboard comic with a tapir potter, an ibis pointing to a profit jar, and a gecko imagining an unrealized beneficial bowl purchase.

Single-Price Monopoly: Output, Profit and Deadweight Loss

See why a single-price monopoly leaves beneficial trades unmade. Separate profit and deadweight loss with a worked example and three interactive questions.

Clay comic quokka teacher, axolotl and snail compare a monopoly revenue and cost schedule.

Monopoly Schedule: Find Output, Price and Profit

Read a monopoly schedule using revenue totals, marginal changes and profit checks. Work through a complete table and three original interactive questions.

Stained-glass comic hummingbird and orangutan guide two trains using demand and cost.

Why Monopoly Has No Supply Curve: Demand and Cost

Ink-wash opossum fruit seller and crab accountant compare an extra sale with revenue lost through a lower price.

Marginal Revenue and the Price-Cut Effect

Embroidered comic wombat inspects rules, cost and network hurdles as a stoat opens a new shop.

Barriers to Entry: Why One Seller Can Persist

Chalk comic tortoise adjusts factory output while a frog brings a new factory into the market.

Short-Run vs Long-Run Adjustment in Competition

Risograph comic puffin, hedgehog and salamander compare constant, increasing and decreasing industry costs.

Industry Cost Conditions: Constant, Increasing and Decreasing

Paper collage anteater, otter and rooster bring Price, MC and Min ATC cards to one hilltop rest stop.

Long-Run Competitive Equilibrium: Price, MC and Minimum ATC

Scratchboard comic gecko and quail soap sellers welcome a new stall while a fennec watches.

How Economic Profit Attracts Entry in Competitive Markets

Ballpoint comic magpie carries a Price envelope from a busy market to a koala’s bread workshop.

Market Graph vs Firm Graph: Transfer Price, Then Find Output

Gouache comic chameleon pottery seller and pangolin compare operating with shutting down at a fork in the path.

Short-Run Supply Curve: Marginal Cost and the Shutdown Rule

Charcoal comic beaver bookkeeper, dormouse and toucan inspect a receipt beside profit, break-even and loss bowls.

Price vs ATC: Calculate Economic Profit or Loss