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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
One post per unit, in course order
Written to be read before you sit down to the week's problem set — each post covers the unit's tools, the worked arithmetic, and the mistakes that cost the most marks.
More posts are on the way
The series follows the microeconomics course through supply and demand, elasticity, costs and market structure. In the meantime, the topic explainers and the interactive labs cover the same ground.
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