A market you can move
Shift curves, explore surplus, and see who bears a tax.
Try the market lab →World Economy · Learn with evidence
Understand it. Try it yourself.
Choose an interactive experiment, a guided lesson, or a question to investigate.
New here? Follow the beginner route →
Inflation & Fed Watch
Check reported inflation, the next Fed meeting and official rate decisions, then explore what they mean for your budget.
Open Inflation & Fed Watch →Learning for yourself or preparing a lesson?
Start with an experiment below, or find age ranges, preparation guidance, free activities and complete teaching packs.
Find teaching resources →Interactive labs
Change an assumption and watch the explanation change with it.
Does a bigger paycheck buy more?
Distinguish nominal income from purchasing power and calculate a fixed basket price index.
Try the lab →What would you fund with a limited budget?
Calculate a budget balance and explain who bears the tradeoffs when taxes or spending change.
Try the lab →When does interest start earning interest?
Compare simple and compound interest and explain how the same growth can help a saver or increase an unpaid debt.
Try the lab →Can higher productivity support higher wages?
Separate output per worker, total output, wages, and revenue available to cover other costs.
Try the lab →How many sales cover the costs?
Calculate revenue, costs, contribution margin, and the sales needed to avoid a loss.
Try the lab →When someone else makes a move
Explore cooperation, bargaining, auctions and shared resources in the game theory strategy lab.
Play, analyze and replay →Learn, try, then explain
Six free paths with worked examples, printable student sheets, teacher answers and a later review.
Supply and demand: from terminology to total gains
A three-part teaching sequence with a market table, movable curves, surplus calculations and explained answers.
Start this path →How shipping disruptions can affect your grocery bill
Trace a transport disruption through costs, retail prices and household choices, with a fictional cost exercise.
Start this path →Lower inflation, higher prices: work through your basket
Apply the inflation lesson to a two-year basket and distinguish disinflation, deflation and purchasing power.
Start this path →Price a small business product and review the result
Follow a bakery, cleaning service or handmade-product example from labor costs to monthly profit.
Start this path →Build a home budget before choosing a mortgage
A worked household budget that connects take-home pay, savings, ownership costs and cash to close.
Start this path →Compare job offers beyond the salary
A fictional comparison of spendable pay, commuting, benefits and time, with explained answers.
Start this path →Guided lessons
Build your economics foundations.
Work through concepts step by step, with questions to check your understanding.
Browse guided lessons →Follow a six-lesson course.
Use a suggested sequence, written activities, and a final project.
Start the free course →Understand this headline
Connect inflation, shipping, tariffs and interest-rate news to everyday decisions.
Browse headline explainers →Read & investigate
A bigger paycheck can still buy less
The latest weekly-earnings report shows pay lagging prices. The 2021 squeeze and the changed comparison by 2023 explain why nominal gains, purchasing power, and recovery are different questions.
Read and try the challenge →Release calendar
Know which economic reports are coming and what to look for.
History case library
Explore five economic turning points, their outcomes and limits.
Check a claim
Test familiar economic claims against definitions and evidence.
Data investigations
Choose real observations, compare periods and build a conclusion.
Your notebook
Keep reading lists, questions and notes on this device.
What happened next?
Return to articles at three and six months to examine new evidence.