Loss aversion Articles — Atticus Li

Atticus Li

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Loss aversion

Articles exploring loss aversion through the lens of behavioral science and experimentation. Practical frameworks for growth leaders who measure in revenue, not vanity metrics.

2 articles

prospect theory Mar 27, 2026 9 min read

Prospect Theory and Churn Prevention: Why Losing Features Hurts More Than Gaining Them

Kahneman and Tversky's prospect theory explains why removing product features triggers disproportionate user backlash and churn, even when the changes are objectively beneficial.

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Prospect Theory and Churn Prevention: Why Losing Features Hurts More Than Gaining Them

endowment effect Mar 27, 2026 7 min read

The Endowment Effect in Free Trials: Why Users Overvalue What They Already Have

The endowment effect explains why free trial users develop irrational attachment to features they've used, making trial-to-paid conversion a function of ownership psychology rather than pure product value.

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The Endowment Effect in Free Trials: Why Users Overvalue What They Already Have

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