From the desk
Updates, syllabus notes and preparation guidance for the International Economics Olympiad — written by our mentors. New pieces land through the season.
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The IEO Honours Ladder: What 70 out of 100 Earns, and What Sits Above It
The China route recognises far more students than it selects. What a preliminary score of 70 out of 100 earns, what sits above it, and how to aim at the right line.
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Which IEO Division Should You Enter? SENIOR, JUNIOR-HL and JUNIOR-SL Before the December Preliminary
Only one IEO division on the Greater China route leads to the national team. How SENIOR, JUNIOR-HL and JUNIOR-SL differ, and what each choice quietly forfeits.
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You Did Not Get the Team Seat: How to Make a Second IEO Attempt Genuinely Different
Missing out is the normal outcome, not the exceptional one. Diagnose which gate actually stopped you, then build a second attempt that changes something real.
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The Business Toolkit for the IEO Case Round: Unit Economics, Break-Even and Sizing a Market
The IEO case round asks for a business recommendation, not an essay. Here is the analytical toolkit behind a defensible answer: unit economics, cost structure and market sizing.
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Reading Economic Data on the IEO: Real Terms, Index Numbers and Six Traps That Cost Marks
Most marks lost on IEO data questions are not arithmetic errors, they are reading errors. Real terms, index numbers, base years, and six traps that catch strong students.
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No Economics Course at Your School? The IEO Route In from a Maths or Science Track
Most IEO advice assumes you already sit IB, AP or A-Level economics. If your school does not offer it, here is what a maths track transfers and what you must build.
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Build Your Own IEO Mock Day: A Three-Part Simulation and Self-Marking Protocol
Check what ieo-official.org publishes first, then build your own mock around it: three parts in one day, marked against a rubric you write first, then triaged by error class.
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Starting an IEO Team From Zero: A School Set-Up Guide for the Next Cycle
The delegation is capped at five students plus one or two leaders, so the seat is the gate. A 90-day set-up sequence for a school entering the IEO for the first time.
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International Economics on the IEO: Trade, Tariffs, Exchange Rates and the Balance of Payments
The strand Greater China candidates most often under-prepare: trade, tariffs, exchange rates and the balance of payments - plus a two-week catch-up plan.