The gambler’s fallacy — the belief that past random events influence future ones — shows up constantly in financial decisions. Here’s how it works, where it appears in investing, and how to stop letting randomness fool you.
Written by: HRM
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The 4% rule has been the dominant framework for retirement income planning for 30 years. Here’s where it came from, what it actually says, what its limitations are, and how to use it appropriately in 2025.
Written by: HRM
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Humans are hardwired to evaluate their circumstances by comparing them to others. In financial life, this social comparison drive shapes spending, career decisions, and definitions of ‘enough’ in ways most people never consciously examine.
Written by: HRM
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Not all financial advisors have the same legal obligation to act in your interest. The distinction between fee-only and commission-based advisors is one of the most important things to understand before paying anyone for financial advice.
Written by: HRM
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Present bias is the tendency to weight immediate rewards far more heavily than future ones of greater value. It’s the most consistent driver of under-saving, over-spending, and financial procrastination — and it’s not a character flaw.
Written by: HRM
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Most people who invest in the stock market couldn’t give a clear explanation of how it actually works. Here’s the honest version: what stocks are, how prices are set, what moves markets, and why long-term investing still makes sense despite all the noise.
Written by: HRM
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Relative thinking — evaluating financial decisions in percentages rather than absolute dollars — leads to systematically inconsistent choices. The same amount of money gets very different treatment depending on the context it appears in.
Written by: HRM
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Graduate school is a major financial decision that too many people make on intuition, social expectation, or incomplete information. Here’s the framework for evaluating whether the investment actually pays off for your specific situation.
Written by: HRM
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Humans evolved to reason about small quantities. When financial decisions involve millions or decades of compounding, our intuitions fail in predictable and expensive ways. Here’s how to work around them.
Written by: HRM
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Rebalancing is how investors maintain their target asset allocation as markets move. Here’s what it is, how often to do it, and whether the costs are worth the benefits — because the answer isn’t always obvious.
Written by: HRM
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