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Longer walkthroughs of the places intro economics actually gets hard. Every post works a real example end to end, draws the diagram properly, and ends with self-test questions and full answers.
MICROECONOMICS SERIES
Worked walkthroughs, one topic at a time
Written for anyone working through introductory microeconomics — whether for a course, a refresher or curiosity. Each post covers the tools, the worked arithmetic, and the mistakes that cost the most marks.
When two curves move at once
Simultaneous supply and demand shifts, which of price and quantity you can call with certainty, a price ceiling drawn on the shifted market, and the total revenue and cross elasticity tests.
25 Oct 2026 · 5 self-test questions
The shape of scarcity
Opportunity cost, how economies ration scarcity, reading and shifting a production possibilities frontier, comparative advantage, and the two-variable graph.
15 Oct 2026 · 5 self-test questions
More posts are on the way
The series follows the microeconomics course through costs, market structure and the rest of the units. In the meantime, the topic explainers and the interactive labs cover the same ground.
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