Behavioral Basics
Cognitive Biases
Real-Life Applications
From "5 Ways People are Dumb About Money" Video
100

What is the name of the study of how people sometimes make choices that are not perfectly rational?

behavioral economics

100

This bias makes people dislike losing more than they enjoy winning.

Loss Aversion 

100

Stores put items on sale with “LIMIT 3 per customer” to encourage what?

Scarcity Effect 

100

This bias makes you value things you own more than identical things you don’t—like keeping a rare Pokémon card even though you could sell it for $3,000.

Endowment Effect

200

What is the name of the study of how people use money and resoures?

economics

200
People keep putting money into something bad because they already spent so much.

Sunk Cost Fallacy

200

Supermarkets place candy near the checkout because they want you to make this kind of purchase.

Impulse Buy

200

You stay and finish a movie you’re hating just because you paid to rent it and don’t want to waste the cost.


Sunk Cost Fallacy 

300

What is it called when a person guesses instead of thinking deeply about a topic or issue?

shortcut

300

People copy what everyone else is doing, even if it is not smart.

Herd Mentality 

300

Apps often send notifications like “3 people just booked this hotel!” to trigger this bias.

FOMO - Fear Of Missing Out 

300

You walk across the street to save $5 on a cheap pair of headphones, but not for a laptop—even though it’s the same price difference. That feeling of saving is called this.


Transition Utility 

400

Traditional economics says people make choices using logic. What else might people use instead?

feelings or emotions 

400

Thinking "I knew it all along" after something happens.

Hindsight bias 

400

“Buy one, get one free” plays on this bias where people overvalue getting something for “free.”

zero price effect

400

You treat unexpected money—like lottery winnings or a tax refund—as different from your usual budget and spend it more freely. That mental trick is called this.

mental accounting

500

Economists often assume people always make the best choices, but behavioral economics says people sometimes make mistakes because of .....

emotions, bad habits, or outside influences 

500

Liking what you already own more than something new, even if it's the same value.

Endowment Effect

500

An online store offers a "buy now, pay later" option. Why might people choose this, even if it means more debt later?

Because people prefer rewards now and delay the pain (present bias / short-term thinking) 

500

After prices drop—like gas going from $4 to $3.60 per gallon—some people keep buying premium gas even though the extra money should be spent or saved elsewhere. This behavior shows you’re ignoring this rule that all money is the same.


money fungibility

M
e
n
u