What does The Psychology of Money say about Personal Finance & Investing?

People underfund margin-of-safety because they overestimate forecasting accuracy and underestimate how drawdowns damage psychology and endurance, leaving them unable to survive and exploit rare favorable events.

An insight from The Psychology of Money

People over-attribute success to skill because luck is hard to quantify and awkward to credit, which causes narratives that obscure how much chance actually drove outcomes.

The Psychology of Money

No single person can make an ordinary pencil because its wood, graphite, ferrule, eraser, paint and the specialized tools and processes that shape them all come from different people and places around the world, each contributing expertise and inputs.

Milton Friedman - I, Pencil

Credit amplifies economic activity because lending lets people spend beyond current income, and that extra spending becomes someone else's income, raising overall demand in a self-reinforcing loop.

How The Economic Machine Works by Ray Dalio

Locking an insurer into low-yield, conservative bonds reduces its ability to adapt because static portfolios produce lower returns and limited capacity, preventing the balance sheet from funding large new asset types or technological shifts.

Investing a $120 Billion Balance Sheet with No Outside Investors

Borrowing pulls future spending into the present because you consume more today than you produce and commit to repaying later, creating waves of higher current spending followed by lower future spending that form cycles.

How The Economic Machine Works by Ray Dalio

Managing permanent capital changes behavior because without periodic fundraising or external investor cycles teams can focus solely on deploying capital for the balance sheet's long-term return objectives and maintain purer investment discipline.

Investing a $120 Billion Balance Sheet with No Outside Investors

Optimism about favorable odds can be dangerous because even low-probability adverse events (like leveraged wipeouts) can cause catastrophic, irreversible ruin, so a statistical edge doesn't justify risks that can eliminate recovery.

The Psychology of Money

If commissions favor a particular product, salespeople prioritize that product, which can cause inferior items to outsell superior ones because commission, not quality, drives seller choice.

The Power of Incentives: The Hidden Forces That Shape Behavior

Insight by Money

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