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Module 8 of 11 12 min

Competitive Advantages

Brand, scale, switching costs, and network effects.

Course lessons

Step 1

The lesson

When a business earns high profits, competitors notice — and try to take them. A competitive advantage (sometimes called a moat) is what stops them.

Without a moat, profits tend to get competed away over time as rivals copy the product and cut prices.

Moats can weaken. Technology changes, regulations shift, and new competitors find a way around them. Good analysis asks not just "Does it have a moat?" but "How long will it last?"

Step 2

See it

Five common moats

Brand: customers trust and prefer it. Network effects: the product gets better as more people use it. Switching costs: leaving is painful. Cost advantages: it can produce more cheaply than rivals. Intangible assets: patents, licenses, or exclusive rights competitors can't copy.

  1. Brand

    Customers trust it and will pay more for it.

  2. Network effects

    Each new user makes it more valuable for everyone else.

  3. Switching costs

    Leaving takes time, money, or hassle.

  4. Cost advantages

    Scale or know-how lets it produce more cheaply than rivals.

  5. Intangible assets

    Patents, licenses, or exclusive rights others can't copy.

Step 3

Real-world example

Why a better app can still lose

A startup builds a messaging app that's faster and cleaner than the one everyone at school uses. It still struggles. Why?

  • Network effects: a messaging app is only useful if your friends are on it — and they're all on the old one.
  • Switching costs: moving means losing group chats, photos, and history.

The incumbent's product isn't better. Its moat is. To win, the startup would need a way around the moat — like starting with a group the incumbent ignores.

Step 4

Knowledge check

Answer each question, then check your answer to see the explanation. Retake it as many times as you like.

Question 1 of 3

ScenarioA video game becomes more fun as more of your friends play it, because there are more people to play with.Which advantage is this?

Choose an answer.

Step 5

Summary

Competitive advantages protect profits from competitors. Common moats are brand, network effects, switching costs, cost advantages, and intangible assets like patents. Without a moat, profits get competed away — and even strong moats can erode.

Step 6

What you should remember

  • Moat = what stops competitors from taking your profits.
  • Brand, network effects, switching costs, cost, intangibles.
  • Better products can lose to stronger moats.
  • Ask how long the moat will last.

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