seven-powers

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Use when asked to "7 Powers", "build a competitive moat", "analyze defensibility", "find sustainable advantage", "economic moats", or "Hamilton Helmer framework". Helps identify durable competitive advantages. The 7 Powers framework (created by Hamilton Helmer) reveals the economic structures that protect business value from competition.

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Added on2026-02-25

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7 Powers: The Foundations of Business Strategy

What It Is

7 Powers is a framework for understanding sustainable competitive advantage. The core insight: Business value comes from possessing an attribute that produces higher returns than competitors AND a barrier that prevents competitors from arbitraging it away.

Power = Benefit + Barrier

Warren Buffett famously said: "In business, I look for economic castles protected by unbreachable moats." Power is understanding what makes something a castle (the benefit) versus a shack, and what makes the moat unbreachable (the barrier).

The key shift: Move from asking "What's our competitive advantage?" to asking "What economic structure creates durable differential returns?"

When to Use It

Use 7 Powers when you need to:

Evaluate a business's long-term defensibility (investment decisions, competitive analysis)
Design a startup for durability (not just product-market fit)
Understand why incumbents can't respond to your disruptive move
Prioritize strategic initiatives based on what builds power
Identify whether you actually have a moat or just operational excellence
Plan second acts (new business lines that could develop power)
Win market share battles in high-growth phases

When Not to Use It

You don't have product-market fit yet
The business is purely commodity with no differentiation possible
You want to justify a strategy you've already decided on
You're optimizing operations (power is about structure, not execution)

Resources

Books:

7 Powers by Hamilton Helmer
Good Strategy Bad Strategy by Richard Rumelt
Competition Demystified by Bruce Greenwald