MarketQuest ✕
◆ MarketQuest Learn 🎓 Teach 🗺️ Adventure 🤝 Together 🔁 Review ⋯ More 🧭 My Journey Teach the Cast Some of MarketQuest’s cast are still learning. When you teach them, YOU learn it best — catch what they get wrong, then quiz them.
✕ Teach Forgo You be the teacher — Forgo is still learning. Helping Forgo figure it out is the practice. (Forgo's progress stays on this device; nothing is sent anywhere.)
🎓 In a minute you'll be the teacher. Get ready to teach Forgo: opportunity cost.
Opportunity cost is the value of the next-best thing you gave up. The movie cost $12 plus whatever else you'd have done that Saturday.
Teach the connections
Show how the market ideas connect You've helped them one at a time. The real understanding is how the ideas CONNECT — teach that next.
Stock (supply — how much producers bring to market) × Crave (demand — how much buyers want at a given price)
A drought cuts the lemon harvest. Using Stock and Crave, why does lemonade get pricier?
Stock (supply) fell while Crave (demand) held — with the lines crossing higher, the price rises Only demand sets price; supply is irrelevant Price is set by the seller's mood, not supply or demand
Stock then says: “If sellers just want more money, they set any price they like — supply and demand don't matter.” — is that right?
No — price settles where Stock's supply meets Crave's demand; set it too high and it won't sell Right, sellers pick any price freely
The link: price is the meeting point of two forces — supply pushing down, demand pushing up.
Where supply meets demand, the price is found.
Forgo (opportunity cost — the next-best thing you gave up) × Knack (specialization + trade — do what you do best, trade for the rest)
Why does it pay to specialize (Knack) instead of making everything yourself — what does Forgo reveal?
Doing it all yourself has a hidden cost (Forgo): time off your best skill — so specialize where your opportunity cost is lowest and trade Specialization is just laziness, unrelated to cost You should make everything yourself to avoid any cost
Forgo then says: “It's always cheapest to make everything myself and never trade.” — is that right?
Making it all yourself costs your best hours (Forgo); Knack says specialize and trade — both sides gain Right, self-sufficiency is always cheapest
The link: specialization is the answer to opportunity cost — focus where you give up the least.
Do your best thing; trade for the rest.
Capstone — run one lemonade stand together Three economic ideas, one little business. Bring in the cast member for each.
You spend Saturday on the stand instead of the pool — name the hidden cost. Who?
Who do you bring in?
Forgo — opportunity cost Coin — money as a medium Spur — incentives
Prices settle where the amount you'll sell matches what buyers will buy. Who?
Who do you bring in?
Even — price equilibrium Tide — market shocks Hand — market roles
You make great lemonade but slow signs, so you trade sign-making with a friend. Who?
Who do you bring in?
Knack — specialization + trade Seed — saving + interest Crave — demand
The synthesis: weigh what you give up, let supply and demand set the price, and specialize to trade — a stand run like an economist.
Cost, price, and trade — the market in a cup.
Try it in the market tools →
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