Economic Moat

Long-term competitive advantage that provides value for investors

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What is an Economic Moat?

The term “economic moat” refers to a long-term competitive advantage that a company holds that protects its position in the marketplace. The term is inspired by the moat that surrounded medieval castles to protect the valuables within from invaders. A company with a strong moat possesses a competitive advantage that is both strong and sustainable.

Moat Surrounding a Castle

Investors such as Warren Buffet state that buying businesses is like buying castles. Buffett emphasizes the importance of buying businesses with deep moats, as they are protected from competitors and can, therefore, maintain strong profits.

Why is an Economic Moat Important to Investors?

Two things that investors generally care about are the magnitude of return in excess of the cost of capital and how long the company can be expected to continue to generate large returns. To begin generating large profits, a company must first achieve a competitive advantage. The advantage can come from any of a number of things – lower production costs, patents, high switching costs – any one of which can be especially helpful in differentiating a company from its competitors and in retaining its customer base.

To sustain profits and be considered a moat, the competitive advantage must be durable. Thus, it can provide value for investors.


  • An economic moat is a durable competitive advantage that enables a company to be profitable long-term.
  • A company with a moat is desirable to investors.
  • Economic moats include complexity of the product, high switching costs, and brand value.

How to Create an Economic Moat?

Economic moats can be created in one of three ways, as follows:

1. Production advantages

A company achieves production advantages when it is able to provide a service at a lower cost than that of its competitors.

Features of companies with production advantages include:

  • Complexity: Processes that are unique and difficult to imitate are good moats, as they tend to be durable. For example, the formula for the Coca-Cola syrup that creates the signature taste of the cola soft drink is difficult to copy. The complexity of the product ensures that other soft drink brands will not be able to replicate the product and take away customers.
  • Protection: A company’s products can be protected through patents, copyrights, trademarks, or operating rights. Patents help a company protect a product that they spent R&D funds on, so that they can keep advantages achieved through innovation. Copyrights and trademarks offer the same advantages to companies. For example, Mickey Mouse, which is copyrighted and trademarked by Disney, has been bringing in profit through merchandising of shirts, hats, and jewelry for many years.

2. Consumer advantages

A company achieves consumer advantages when it is able to provide a greater benefit to consumers than its competitors do.

Features of companies with consumer advantages include:

  • Habit and horizontal differentiation: When customers prefer a product to other competing products, there is horizontal differentiation. An example is cigarette brands. Most cigarette smokers have a habit of purchasing the same brand. A company that is able to create loyal customers is able to maintain profits long term and, therefore, has a moat.
  • Switching costs: Switching costs are costs that a customer has to bear if they want to switch to another product or service. As the switching costs increases, the customer becomes more locked in with a company. Switching costs can also come in the form of loyalty points or the inconvenience of switching. For example, while there are no fees associated with the process of switching banks, it is simply inconvenient for a person to set up new accounts and portfolios. The inconvenience associated with the process ties a customer to their original bank.
  • Network effectThe network effect occurs when the value for the company and existing customers increases as more people use a service or product. It creates a moat since the company becomes more valuable and competitive over time. Examples of companies with networking effects include Visa, MasterCard, Microsoft, and Facebook. The Facebook app by itself does not have much value. However, as more people join Facebook, members enjoy the benefit of being able to connect with more people. As the Facebook network grows larger, there is more incentive for people to join the site.

3. Brand value

Brand value is the idea that a company is able to generate more revenue or charge a premium price because of brand recognition. This is based on the fact that customers believe there is a correlation between well-known brands and quality products. Brand value is especially important for companies that have commodified products.

For example, coffee is a commodified product, so, for coffee shops to attract customers, they need to differentiate themselves through their brand. Starbucks is a company that has capitalized on the brand value its name holds.

The company’s brand is based on convenience, good customer service, and innovative drinks. By developing the brand value over the last decade, Starbucks is now the “go-to” place for coffee and is able to charge a premium for their drinks, which is a strong moat.

Additional Resources

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