Tag: Ieo Preparation
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The Maths You Actually Need for the IEO: Eight Calculation Families and the Five Errors That Cost Most Marks
Not competition mathematics: eight families of applied arithmetic executed cleanly under time pressure - plus the five slips that quietly destroy correct reasoning.
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Your Real Odds at Each IEO Stage: The Hard Gate Is the Team Seat, Not the Medal
At the 2025 final, 133 medals were shared among 258 competitors. But those seats were split across 52 countries at up to five each. The real filter sits upstream.
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The IEO’s Hidden Barrier Is the English – and It Is Not the Vocabulary You Think
The English that costs IEO marks is not hard words. It is ordinary-looking phrases with exact technical meanings. Three examples from 2026, and a method for building the habit.
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What the IEO Is Testing Now: A Topic Drift Map from 2024 to 2026
Which IEO topics are stable, which are growing, and which have faded across 2024 to 2026 - plus the rule that stops you over-fitting to last year's paper.
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The 2026 IEO Paper Changed Shape: A Merged Multiple-Choice Paper and Open Questions That Now Demand Maths
Our coaches' reading of the 2026 round: one merged 40-question multiple-choice paper where there had been two, and four of five open questions turning on calculation. What that changes for your prep.
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From IB, AP and A-Level Economics to the IEO: What Your School Syllabus Leaves Out
IB, AP and A-Level Economics each cover part of what the IEO tests. Here is the honest delta for each course, and how to close it before your round.
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The IEO Reading List: What to Actually Study to Reach Economics-Olympiad Depth
What should you actually read for the IEO? A four-shelf self-study roadmap of textbooks, courses, current affairs, and problem practice, and how to turn reading into recall.
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Macroeconomics on the IEO: The Models and Policy Debates That Come Up Most
Macroeconomics is half of any economics olympiad. Here is the macro toolkit the IEO draws on, how it surfaces across the three parts, and where students lose marks.
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Financial Literacy on the IEO: The Half That Students Underrate
The IEO tests finance as well as microeconomics. Here is what the financial-literacy strand covers and why Greater China students who drill supply-and-demand still drop marks on it.