Every yes has a hidden price
Opportunity cost is the value of the best alternative you give up when you make a choice.
Build a mind you’re proud of.
Daily Economics learning cards
Money, markets & decisions. Explore a short explanation, an everyday example and a question you can answer from memory.
The Economics collection currently has 8 written cards. The daily app introduces written ideas and revisits earlier cards once the collection is complete. Source previews offer additional reading.
Compounding rewards consistency
Returns can generate their own returns, turning time into a financial force multiplier.
Inflation changes what money can do
Inflation is a broad rise in prices, which means each euro buys less than before.
Past costs should not own future choices
A sunk cost is time or money already spent that cannot be recovered.
Big decisions are often made at the margin
Marginal thinking focuses on the benefit and cost of one additional unit.
Prices are compressed information
A price does more than state cost: it coordinates what buyers want with what sellers can supply.
Diversification protects against being precisely wrong
Spreading exposure reduces the damage caused by any one asset, sector, or outcome.
Incentives explain more than intentions
People respond to the rewards, costs, and constraints built into a system.