Cartoons
The cartoons from the videos, full size. Each one carries a single idea from its lesson; click a picture to open it at full size, or the lesson name to go to its companion page.
The free robot restaurantMake everything free and something is still scarce. · Part 1
The bakery, twiceA move along the curve, or the curve shifts. · Part 3
The forgotten paycheckOpportunity cost: the bill nobody sends. · Part 4
Leo’s two fishThe extra fish came from specializing. · Part 4
Same coconut, different priceComparative advantage. · Part 4
The surgeon’s lawnBeing better at a job doesn’t make it your best use of time. · Part 4
The cinemaSunk cost: the ticket is gone either way. · Part 4
Compared with what?A number on its own tells you nothing. · Part 4
The fire trucksA real correlation, the wrong cause. · Part 4
The Phillips curveA pattern can vanish when policy leans on it. · Part 4
The smokerA cause can change the timing. · Part 4
The coin flipChange one thing. Count. · Part 4
Roll againThe dice only help if you accept the roll. · Part 4
Snow’s mapEvidence without an experiment. · Part 4
The free dinner, revisitedSomething still decides who gets what. · Part 4© 2026 Vincent Maistre · CC BY 4.0. Reuse with credit.