
Scarcity Brain
by Michael Easter
Easter investigates the 'scarcity loop', opportunity, unpredictable reward, quick repeatability, that drives slot machines, social feeds, overeating and overbuying, and travels from casinos to Iraq to the Amazon to see it in action and to find people who escaped it. It is reported with energy and lands on practical advice about enough.
Read it if…
you keep reaching for more, food, feeds, stuff, and want to understand the machinery.
Skip it if…
you want a tight program; this is journalism with takeaways.
Three things you will actually use
- Spot the loop: opportunity, unpredictable reward, quick repeat.
- Add friction to the repeat step.
- Define enough before you start.
Do this first
Identify one scarcity loop in your day, name its three parts, and remove the quick repeatability.
Our verdict
Engaging and insightful; a good explanation of why 'just one more' never ends.
Compare with other Habits books

Better Than Before
Gretchen Rubin · Habits
Useful for self-tailoring; the four tendencies alone justify it.
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Discipline Equals Freedom
Jocko Willink · Habits
Blunt and effective for the right reader.
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