Microeconomics

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Hand-drawn revenue and profit comic showing a furniture sale, costs and remaining profit, a public revenue transfer, and a separate unrealized trade to distinguish transfers from deadweight loss.

Revenue vs. Profit: Transfers, Surplus and Deadweight Loss

Separate revenue from economic profit and transfers from deadweight loss. Build a surplus ledger and try three original interactive questions.

Hand-drawn marginal and average comic using honey production to contrast a total collection, equal per-worker portions, and one highlighted additional jar.

Marginal and Average Values: Product, Cost and Revenue

Distinguish marginal and average values from totals. Calculate product, cost and revenue changes with a worked example and three interactive questions.

Hand-drawn movement and shift comic showing students comparing movement between points on one demand curve with a rightward shift of the entire demand relationship.

Demand and Supply Shifts vs. Movements Along Curves
Hand-drawn social and factor market comic contrasting a community accounting for workshop pollution with a carpenter comparing an additional workers output and hiring cost.

Marginal Curves: Social Cost, Labor Demand and Monopsony
Hand-drawn market power comic showing a pottery seller and tutor finding quantity where marginal revenue meets marginal cost, then moving up to demand to read price.

Monopoly Demand and Marginal Revenue: Price and Profit
Hand-drawn competitive firm comic showing a wheat farmer and student comparing market supply and demand with a separate firm graph, transferring price to a horizontal marginal revenue line and selecting firm output.

Perfect Competition: Firm and Market Graphs Explained
Hand-drawn supply and demand comic showing a student marking the original intersection and its price and quantity guides before drawing any market change.

Supply and Demand Graphs: Shifts, Equilibrium and Controls
Hand-lettered market-stall comic with a tutor pointing to a revenue rectangle while a student holds a triangle beside shapes labelled surplus and lost trades.

Revenue, Surplus and Deadweight Loss: Graph Areas
Pastel comic of a puzzled student with a calculator receipt showing 90, while a tutor labels an answer as 90 dollars profit and points to value, unit and meaning cards.

Economic Calculations: Profit, Marginal Values and Units
Cut-paper comic of a student and tutor comparing 10-dollar and 9-dollar price tags with a 10-percent price reduction and 20-percent quantity increase beside a stretching shopping basket.

Price Elasticity: Percentage Changes, Midpoint and Revenue
Woodblock bakery comic of a puzzled student with a long receipt and a tutor comparing buns and coins under per-unit and per-dollar labels.

Average Cost and Marginal Utility per Dollar: Ratios
Felt-and-clay comic of a courier robot and a pigeon distinguishing a single added parcel from the full delivery load.

Marginal Cost, Revenue and Product: Calculate the Change
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