Lesson 20 of 84 · Economics
⭐ 30 XP⚓ Market PortHow Prices Are Set
Prices are determined by supply and demand.
🎯 Your mission
Trade-offs everywhere — find them.
⚡ The twist
Money is just a story everyone agrees to believe.
Mind = Blown
🤯 The first stock exchange was in Amsterdam in 1602 — for spices.
Then & Now
💱 This is happening in your local store every single day.
Prices are determined by supply and demand. When many people want the same scarce product, prices rise. Competition among sellers can bring prices down.
Key Facts
Trade connects people globally.
Every choice has an opportunity cost.
Money is a medium of exchange.
Check Your Understanding
Question 1
1 of 2What is an opportunity cost?
Why this still matters
The next time you spend $1, ask: who else benefited besides you?
Stretch Challenge
Try this in real life this week.
Find two products that look similar but cost very different. Why?
For the dinner table
“If you had $20 to start a business, what would you sell?”
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