Economic Moat

A company’s long-term and sustainable competitive advantage that enables it to protect profits and market share from competing firms.

Author: Kathy Al Azzi
Kathy Al Azzi
Kathy Al Azzi
As a dedicated entrepreneur and finance enthusiast, Kathy Azzi has charted a dynamic journey through various roles. Her background includes serving as a financial strategist for an e-commerce company and actively participating in startup initiatives. Participation in the CFA Institute Research Challenge, a national case competition, and 2 seed stages for startups has equipped her with a strong lookout beyond her initial formation. With a background in civil and environmental engineering and more than 5 years in journalism and copywriting, Kathy brings a unique perspective to make the world of Wall Street more accessible.
Reviewed By: Parul Gupta
Parul Gupta
Parul Gupta
Working as a Chief Editor, customer support, and content moderator at Wall Street Oasis.
Last Updated:April 15, 2024

What is an Economic Moat?

In the fast-paced business world, the "Economic Moat" concept stands as a symbol of enduring success and resilience. Imagine your business as a majestic castle surrounded by a deep, wide moat that safeguards it from competitors. This analogy precisely encapsulates the essence of what it signifies.

It refers to a unique set of advantages that a company possesses, enabling it to maintain its competitive edge and protect its profitability over time. These advantages act as a defensive barrier against market forces and competitors, creating a stable and sustainable position in the industry.

Much like the moat surrounding a castle, an economic moat is designed to keep competitors at bay and secure the business's market share. Moreover, it empowers the company to generate superior returns on capital over an extended period consistently. 

What sets an Economic Moat apart is its inherent difficulty to replicate. This unique quality gives the business a sustained advantage over its industry peers.

Renowned investor Warren Buffet draws a parallel between investing in businesses and acquiring castles. He emphasizes the importance of a wide and enduring moat and capable and ethical management as key factors in making a wise investment.

Key Takeaways

  • An Economic Moat refers to a unique set of advantages that protect a company's competitive edge, ensuring long-term profitability and stability.
  • Different types of Economic Moats include wide moats (lasting over 20 years), narrow moats (lasting over 10 years), and no moats (lack of competitive advantages), each offering varying levels of protection against competitors.
  • Strategies to build an Economic Moat include leveraging intangible assets, creating customer switching costs, capitalizing on network effects, gaining cost advantages through economies of scale, and establishing efficient scale in niche markets.
  • Startups and established businesses can build and lose Economic Moats, making it crucial to continuously innovate and adapt to market changes to maintain a competitive edge.

Understanding Economic Moats

The term economic moat was popularized by Warren Buffet and was elaborated upon during the 1995 Berkshire Hathaway annual meeting. Merriam-Webster describes a moat as “a deep, wide trench surrounding a fortified palace that is usually filled with water.”

Over long periods of time, highly profitable businesses start deteriorating their profitability. This is majorly due to the arrival of new entrants into the market, who eat away their market share. 

However, some outliers keep their profitability and market share stable and even increase them in some cases. That is only possible if the business has some barriers to entry. Every business understands that some competitive advantages should be set around the business to survive in the long run.

Note

Studies have shown that companies with wide economic moats tend to outperform their peers over the long term, delivering higher returns on invested capital and more stable earnings growth.

A superior return on capital is an important factor in building and identifying Economic moats, as they will help the business generate a return on capital way above its cost of capital. The difference between the return on capital and the cost of capital is known as economic profit. 

Businesses with robust economic moats consistently generate substantial economic profits, which they can reinvest to generate more. This continuous cycle of high returns is what keeps them ahead of their competitors in terms of customer retention, margins, profitability, etc.

Example of an Economic Moat

Amazon stands out as a prime example of a company with multiple competitive advantages, vividly reflected in the returns on capital it consistently generates.

To calculate the cost of capital for AMZN, we need the Beta, the risk-free rate, and the equity risk premium.

Calculating Amazon's Cost Of Capital
Beta

1.12

Risk-free rate (Rf) 2.94%
Equity Risk Premium (ERP) 4.24%

Using CAP, the cost of equity (Ke) for AMZN is 7.6%

Amazon's Financial Position
  2019 2020 2021
Interest Expense (1,600) (1,647) (1,809)
Net Income $11,588 $21,331 $33,364
2020   2020 2021
Total Assets   $321,195 $420,549
Total Stockholders Equity   39,404 138,245
Long-Term Debt   31,816 48,744

Total Debt = TA - Equity

= $420,549 - $138,245 = $282,304

Source: Amazon, 2021 Annual Report

The post-tax cost of debt (Kd) is 2.91% @ 21% tax rate

Debt-to-equity ratio: 2.04

WACC = (Ke*We) + (Kd*Wd) 

= (0.076 * 0.32) + (0.029 * 68) = 4.4%

ROC = Net Income/ Total Capital

Total Capital = Debt + Equity

ROC = 8%

The Return on Capital (ROC) for Amazon is almost twice its cost of capital. This tells us that Amazon has competitive advantages over its peers, which allows it to generate a high return on its capital.

The reason for this is its dominance in several business verticals. 

1. The retail arm of Amazon is a global leader with very high volumes and turnover. This gives Amazon its high revenues.

2. The second business vertical is Amazon Web Service (AWS), a cash cow business with very low capital requirements and a very high yield on invested capital.

Types of Economic Moats

As mentioned, the 'economic moat' stands as a symbolic protective barrier akin to the water-filled moats of medieval castles. 

This term refers to the unique and enduring advantages that shield a company from its competitors, allowing it to sustain above-average profits over an extended period. 

Just as moats were built in varying depths and widths to defend against different threats, economic moats, too, come in various forms and strengths. Let’s look into the different types below. 

Each of these types reflects the varying degrees of protection a company has against competitors. These are discussed as below.

Wide Moat

A wide moat is usually sustainable for over 20 years. These are mature firms with a very long operating history and brand equity. Such companies often possess robust pricing power, allowing them to maintain premium prices.

A wide moat also allows the business to earn high returns on capital for extended periods of time. Examples of a wide moat business are Coca-Cola and Pepsi.

Note

Economic moats can take various forms, including cost advantages, brand strength, network effects, switching costs, and intangible assets such as patents and intellectual property.

Narrow Moat

A narrow moat has been sustainable for over 10 years. These are mature companies with not very long operating histories. They have a lower pricing power and brand equity.

While narrow moat companies can achieve high Returns on Capital (ROC), these may revert to the mean after a certain period. Examples of businesses with narrow moats include Dr. Pepper and Salesforce.

No Moat

Businesses with no competitive advantages fall into the "no moat" category. These are usually highly commoditized businesses with no real product differentiation. There is very little chance of earning sufficient ROC here.

Economic moats can either be hidden or easy to identify. The identifiability of the moat can have a direct effect on the company’s valuation.

A business with an easily identifiable moat, e.g., Apple, will have a higher valuation because it is understood that this firm will generate higher profitability over a long period.

Note

A company's economic moat reflects its competitive positioning within its industry. The wider the moat, the more difficult it is for competitors to erode the company's market share and profitability.

Some businesses will have hidden or difficult-to-estimate moats, which usually means they trade on a  much cheaper multiple. These usually are moats around some niche product, service, or process the company provides.

Once the market understands a company's competitive advantage, the firm undergoes a rerating by a rating agency, and its multiples expand.

What Creates an Economic Moat?

To gain a comprehensive understanding of how businesses establish economic moats, let's delve into key strategies that differentiate them from their competitors. 

By now, we know a business's unique advantage or set of advantages, making it difficult for competitors to penetrate its market and erode its profitability. These moats serve as protective barriers, helping companies maintain their market share and pricing power.

In this part, we'll look at five key ways businesses build and protect their competitive advantages: intangible assets, customer switching costs, network effects, cost advantages, and efficient scale. These strategies are important for a company's success over time.

Intangible Assets: Building a Fortified Brand

An economic moat forms when a business possesses intangible assets that grant it a competitive edge. These valuable assets typically encompass brand equity, intellectual property, and patents.

  • Brand Power: A strong brand can render the demand curve inelastic, allowing it to weather economic cycles. Coca-Cola serves as a prime example, showcasing the potency of brand-driven moats.
  • Intellectual Property & Patents: Pharmaceutical giants like Pfizer and J&J rely on exclusive patents and intellectual property rights to produce certain drugs, endowing them with considerable pricing power.
Note

Sustainable economic moats are those that are difficult for competitors to replicate or overcome. Factors such as brand loyalty, proprietary technology, and regulatory barriers contribute to the durability of a company's moat.

While companies armed with intangible assets have surged to become global titans over the past two decades, it's important to acknowledge that traditional branding has somewhat waned. 

The internet's advent has democratized advertising, allowing smaller firms to compete globally. Gillette's once-formidable moat has shown signs of erosion in this evolving landscape.

Customer Switching Costs: Bolstering Customer Loyalty

A switching cost moat materializes when the cost of shifting

to an alternative product or service surpasses the potential benefits.

  • Customer Dependence: Establishing a strong customer bond hinges on them relying on your company for post-sales support, repairs, and upgrades. This dependency endows the business with robust pricing power.
  • Cost-Driven Loyalty: Switching cost moats is prevalent among Software as a Service (SaaS) firms and specialized engineering enterprises. SaaS companies like Oracle and Amazon Web Services (AWS) enjoy high customer retention rates and cost-effective scalability.

On the other hand, heavy machinery enterprises, exemplified by elevator manufacturers, construct durable moats since their installations are seldom reversed. Nevertheless, the scalability of these firms is constrained, given their capital-intensive nature.

Network Effects: Amplifying Scale for Dominance

Network effects stand out as the most potent type of moat, rooted in the scale of a business's operations. The more users and customers a network accumulates, the greater the value of the product or company.

  • Scale Amplification: Network effects amalgamate brand strength, scale, and a degree of switching costs. As a company scales its network, it bolsters its brand equity. 
  • Reduced Customer Acquisition Costs: As a network expands, customer acquisition costs dwindle significantly. An alternative manifestation of network effects extends to distribution chains and touchpoints. 

Companies like UPS, Colgate, and the Unilever Group have established colossal supply chains and touchpoints, making it prohibitively expensive for competitors to infiltrate their markets.

While network effect businesses may operate on slimmer margins initially as they cultivate their customer base and supply chain, they typically enjoy elevated profitability, often exceeding 30-40% for tech enterprises once firmly established.

Note

Examples of companies with well-known economic moats include Coca-Cola (brand strength), Microsoft (network effects), and Visa (switching costs). These companies have built strong barriers to entry that protect their market positions and profitability.

Cost Advantages: The Power of Economies of Scale

Cost advantages are cultivated through economies of scale, where high production volumes substantially reduce manufacturing costs, enabling competitive pricing.

  • Retail Giants: Retail juggernauts like Walmart and Costco epitomize the concept. These enterprises operate on razor-thin margins but thrive on high sales volumes.
  • Phases of Growth: In their nascent stages, these businesses incur substantial capital investments and exhibit lower free cash flows due to the expansion of physical storefronts. Nevertheless, as they mature in their corporate life cycle, free cash flows surge, accompanied by generous dividend payments.

Amazon serves as an exemplary case of leveraging cost advantages in e-commerce. Due to its colossal web traffic and sales volume, it can provide products at a substantial discount compared to competitors.

Efficient Scale: Oligopoly and Market Control

Efficient scale mirrors an oligopolistic scenario where a few selected entities dominate the entire market share. This phenomenon often characterizes niche industries like aircraft manufacturing, where giants like Boeing and Airbus hold sway.

Market Control: In such markets, dominant players dictate prices, yielding sky-high margins and returns on capital. Entry barriers are formidable due to the reluctance of incumbents and the capital-intensive nature of the business.

While such a landscape may not be conducive to competition or consumer choice, it nonetheless represents a resilient and enduring moat for investors.

By understanding these key strategies, businesses can better appreciate how to create and sustain a competitive advantage in an ever-evolving marketplace.

Building Your Own Economic Moat

Now that you understand the significance of an economic moat, let's explore strategies to build one for your business:

1. Invest in Research and Development: Continuous innovation is a key driver of building a differentiation moat. Allocate resources to research and development to create unique products or services that set you apart from the competition.

2. Focus on Customer Loyalty: Building a brand and nurturing customer relationships can lead to a strong moat. Deliver exceptional customer service and consistently exceed expectations to create a loyal customer base.

Note

For investors, identifying companies with wide economic moats is a key aspect of fundamental analysis. Investing in businesses with sustainable competitive advantages can lead to superior investment returns over the long term.

3. Protect Your Intellectual Property: If your business relies on patents, trademarks, or proprietary technology, safeguard these assets at all costs. Legal protections can be a powerful form of an Economic Moat.

4. Create Barriers to Entry: Make it challenging for competitors to enter your market. This can be achieved through strategic partnerships, exclusive contracts, or creating high switching costs for customers.

Conclusion

Economic moats are a strategic framework that can pave the way for your company's success. 

You may position your company for long-term growth, stability, and profitability by comprehending the many forms of moats and implementing tactics to build and fortify them.

It's essential to recognize that constructing an economic moat takes time. However, the benefits of running a company that will last the test of time are enormous. So begin creating your competitive advantage immediately and watch your company prosper in the face of opposition.

The idea of an Economic Moat is essential whether you are an established businessperson or a novice. It can be the difference between being just another player in the market and establishing a lasting legacy. 

As you navigate the complex terrain of business, always remember the importance of building and maintaining your Economic Moat.

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