The Scarcity Mindset Tax: Why Detailed Budgeting Fails the People Who Need It Most
The same farmer scores worse on cognitive tests before the harvest, when he is poor, than after it, when he is not. That finding —…
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The Denomination Effect: Why You’ll Spend Five $20s but Not One $100 Bill
Hand someone five $1 bills and they’ll spend them. Hand the same person a single $5 bill and there’s a good chance it stays in…
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Gambler’s Fallacy Investing Mistakes: Why the Market Is Never “Due”
A roulette ball lands on black six times in a row, and the table crowds with people betting red — because red is “due.” Swap…
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The Default Effect: How 401(k) Auto-Enrollment Saves You — and Quietly Shortchanges You
In 2001, economists Brigitte Madrian and Dennis Shea published a number that changed retirement policy in America: when one Fortune 500 company switched its 401(k)…
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Money Illusion: Why Your 5% Raise Might Really Be a Pay Cut
Here’s a myth almost everyone carries around: a dollar is a dollar. If your salary goes up 5%, you got a 5% raise. If your…
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Disposition Effect Investing: The $1,785 Mistake Hiding in a Routine Withdrawal
An investor needs $9,800 out of a taxable brokerage account for a roof repair. Two positions could fund it: one up $7,500, one down $5,200….
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Anchoring Bias When Buying a House: The 3-Line Formula That Beats the List Price
Forty-seven licensed real estate agents toured the same house in Tucson, Arizona. They got the same 10-page packet: the MLS sheet, six months of neighborhood…
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Decoy Effect Pricing: The Bias That Barely Replicates (And Still Costs You Money)
Across 91 separate attempts covering 23 product categories, marketing researchers Sybil Yang and Michael Lynn could only reproduce the decoy effect 11 times. That is…
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Endowment Effect Examples: 5 Places Ownership Quietly Doubles What You Think Things Are Worth
In a Cornell classroom in 1990, half the students were handed a $6 coffee mug and the other half were handed nothing. When both groups…
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Ostrich Effect Investing: What Eleven Months of Not Looking Actually Costs
Researchers with access to 1.2 million Vanguard accounts found something uncomfortable: the day after the Dow falls, the number of investors who log in to…
