Competitive Moat — The Dollar Dictionary

Ads end in 20 seconds

Loading location...

This content is free thanks to our sponsors

Sponsored Ad – I may earn a commission if you click and buy

Next ad in 5s

You are about to visit an external website.

This is an affiliate link, and we may earn a commission.

Continue?

Business

Competitive Moat

A durable, structural advantage that protects a company from competition and allows it to maintain superior profits over a long period.

Warren Buffett popularized the moat concept as his primary investment filter — he only invests in businesses with durable competitive advantages. The five most common moat sources are: network effects (the product gets more valuable as more people use it), switching costs (customers find it expensive or painful to leave), cost advantages (the ability to produce cheaper than competitors permanently), intangible assets (brands, patents, regulatory licenses), and efficient scale (being the dominant player in a market too small to support a second competitor profitably).

Moats erode over time. A patent expires. A brand loses cultural relevance. A technological advantage gets replicated. The best moats are those that compound — network effects grow stronger as the network grows; brand loyalty deepens with decades of consistent quality. Assessing whether a moat is widening or narrowing is more important than simply knowing it exists today.

Just like a castle surrounded by a wide water-filled moat is hard to attack, a company with a competitive moat is hard to displace. The moat doesn't have to be any single thing — it can be brand loyalty, proprietary technology, switching costs, network effects, or regulatory licenses. What matters is that it's wide, deep, and real.

Real world: Visa's competitive moat is one of the widest in business. On one side, billions of consumers carry Visa cards because merchants accept Visa everywhere. On the other side, merchants accept Visa everywhere because billions of consumers carry it. This two-sided network effect has been built over 60 years and would cost hundreds of billions of dollars to replicate. No startup can easily compete with it.

💡 A competitive moat is what protects a business's profits from competition over time — the question isn't just whether you have one today, but whether it's getting wider or narrower.

← Back to The Dollar Dictionary