MoatScopeSarah Lee
Competitive Advantage & Moat Analysis
Sarah covers economic moats, competitive dynamics, and what separates durable businesses from the rest of the market.
Articles (51)
How to Evaluate a Company's R&D Spending
Learn how to assess whether a company's research and development spending is creating value, wasting money, or building a future competitive advantage.
What Is Dedollarization?
Understand the growing movement to reduce dependence on the US dollar in global trade, why it matters for investors, and how far it's likely to go.
What Is the Innovator's Dilemma?
Learn why successful companies fail when markets shift, how disruptive innovation works, and how investors can identify companies at risk of disruption.
How Platform Business Models Work
Understand what makes platform businesses different, how network effects create monopoly-like advantages, and how to evaluate platform companies as investments.
How Luxury Brands Maintain Their Moats
Learn why luxury companies generate extraordinary margins, how they sustain pricing power across decades, and what makes a luxury brand a durable investment.
What Is a Dual-Class Share Structure?
Learn how dual-class shares work, why founders use them, the governance trade-offs for investors, and how to evaluate companies with unequal voting rights.
How Artificial Intelligence Is Reshaping Industries
A sober look at how AI is affecting different sectors, which companies benefit most, and how investors should separate real AI value creation from hype.
What Is Shareholder Activism?
Learn how activist investors push for corporate change, the strategies they use, how activism affects stock prices, and what it means for other shareholders.
How to Evaluate CEO Pay
Learn how to read executive compensation disclosures, identify aligned incentive structures, and spot pay packages that may destroy shareholder value.
What Is an Oligopoly?
Learn what oligopolies are, how they affect competition and pricing, why many of the best investments come from oligopolistic industries, and how to identify them.
What Is a Trust Fund?
Learn what trust funds are, the different types, how they work for wealth transfer and asset protection, and when setting one up makes sense.
Simply Wall St vs. MoatScope: A Comparison
An honest comparison of Simply Wall St and MoatScope — two visual stock analysis platforms with different approaches to quality investing.
How to Invest During Inflation: Key Strategies
Learn how inflation erodes purchasing power, which assets perform well during inflation, and how quality stocks with pricing power protect your wealth.
MoatScope vs. Morningstar: An Honest Comparison
An honest comparison of MoatScope and Morningstar Investor — pricing, moat analysis, usability, and who each platform serves best.
What Is a Tax Bracket? How Federal Income Tax Brackets Work
Understand how marginal tax brackets work, why a higher bracket doesn't tax all your income more, and what it means.
What Is an HSA? The Best Tax-Advantaged Account
Learn what an HSA is, its triple tax advantage, contribution limits, and why many call it the best retirement account.
What Is Financial Independence? A Practical Guide
Learn what financial independence means, the math behind early retirement, and how quality investing accelerates it.
What Is a Rights Offering? Discounted Shares for Owners
A rights offering lets existing shareholders buy new shares at a discount. Learn how rights work, why they're used, and the dilution risk if you don't act.
What Is Amortization? Spreading Costs Over Time
Amortization spreads the cost of intangible assets over their useful life. Learn how it works, how it differs from depreciation, and its earnings impact.
What Is Antitrust? Competition Law and Monopolies
Antitrust law prevents monopolies and promotes competition. Learn how it works, major cases, and what it means for investors in dominant companies.
What Is a Breakout? When Stocks Break New Ground
A breakout occurs when a stock moves above resistance or below support. Learn how breakouts work, false breakouts, and why fundamentals matter more.
What Is a Call Option? The Right to Buy Stock
A call option gives you the right to buy stock at a set price. Learn how calls work, why traders use them, and how quality investors think about options.
Support and Resistance: Price Levels That Matter
Support and resistance are price levels where buying or selling pressure concentrates. Learn how they form, why traders watch them, and their limits.
What Is the January Effect? Seasonal Market Patterns
The January Effect is the tendency for stocks to rise in January. Learn why it happens, whether it still works, and what it means for quality investors.
What Is Estate Planning? Protecting Wealth for Heirs
Estate planning ensures your assets transfer to heirs efficiently. Learn the key documents, tax considerations, and why every investor needs a plan.
What Is a CD? Certificates of Deposit Explained
A CD locks your money for a fixed term in exchange for a guaranteed rate. Learn how CDs work, their pros and cons, and when they make sense for investors.
What Is a Golden Parachute? Executive Exit Packages
A golden parachute pays executives huge sums if they're fired after a takeover. Learn how they work, the controversy, and what they signal to investors.
What Is a Meme Stock? Social Media and Stock Prices
Meme stocks are driven by social media hype rather than fundamentals. Learn how GameStop happened, the risks, and what quality investors can learn from it.
What Is a Stock Index? Market Benchmarks Explained
A stock index tracks the performance of a group of stocks. Learn how indexes are built, the major ones, and why they matter for every investor.
What Is an Activist Investor? Shaking Up Companies
Activist investors buy stakes to push for change. Learn how they create value, their common tactics, and when activism signals opportunity for investors.
What Is Rent-Seeking? Profits Without Value Creation
Rent-seeking extracts wealth without creating it. Learn how it works in economics and business, and why quality investors should identify and avoid it.
What Is a Ponzi Scheme? How Financial Fraud Works
A Ponzi scheme pays old investors with new investors' money. Learn how they work, the warning signs, and how to protect yourself from investment fraud.
What Is a Bank Run? Why Banks Fail Overnight
A bank run happens when depositors rush to withdraw cash simultaneously. Learn how they start, why banks are vulnerable, and the lessons for investors.
Comparative Advantage: Why Countries and Companies Trade
Comparative advantage explains why specialization creates wealth. Learn this foundational concept and how it applies to investing and moat analysis.
What Is a Fiduciary? Why It Matters for Your Money
A fiduciary must legally act in your best interest. Learn what fiduciary duty means, who qualifies, and why it matters when choosing a financial advisor.
What Is Cryptocurrency? A Stock Investor's Perspective
Cryptocurrency is digital money secured by cryptography. Learn how it works, Bitcoin vs. altcoins, the risks, and how it compares to quality stocks.
What Is a Natural Monopoly? When One Company Wins
A natural monopoly forms when one company can serve a market more cheaply than any competitor. Learn how they work and why they interest quality investors.
Creative Destruction: How Innovation Reshapes Markets
Creative destruction replaces old industries with new ones. Learn how it works, why it matters for moat analysis, and which businesses survive disruption.
Types of Investment Accounts: Which Do You Need?
Taxable, 401(k), IRA, Roth, HSA — each account type has different tax rules. Learn how they work and the optimal order to fund them.
Investing for Retirement: A Complete Guide
Retirement investing means building a portfolio that funds decades of living. Learn how much to save, where to invest, and how quality stocks fit in.
How Buffett Uses Economic Moats to Pick Stocks
Buffett's most important concept is the economic moat. Learn how he identifies moats, which types he prefers, and how moats drive his investment returns.
Efficient Scale: The Quiet Moat Nobody Talks About
Efficient scale protects profits when a market is too small for another competitor. Learn how it works and where to find this overlooked moat source.
Switching Costs: The Most Overlooked Moat Source
Switching costs lock in customers by making change painful. Learn how they work, where to find them, and why they create some of the widest moats.
Network Effects Explained: The Strongest Moat Source
Network effects make a product more valuable as more people use it. Learn how they work, the different types, and why they create the widest moats.
Intangible Assets as Moats: Brands, Patents, Licenses
Brands, patents, and regulatory licenses can create powerful moats. Learn how each works, how long they last, and how to evaluate their strength.
Cost Advantage as a Moat: When Being Cheapest Wins
A structural cost advantage lets a company undercut competitors profitably. Learn how cost moats work, where to find them, and how durable they are.
How to Find Wide Moat Stocks
Wide moat stocks have the strongest competitive advantages. Learn a practical step-by-step process for identifying them in your investment research.
What Is Pricing Power? The Most Valuable Business Trait
Pricing power lets a company raise prices without losing customers. Learn why Buffett calls it the most important business characteristic.
Durable Competitive Advantage: What Buffett Looks For
A durable competitive advantage protects profits for decades. Learn what makes an advantage durable versus temporary, and how to identify durability.
Gross Margin Explained: The Most Important Profit Margin
Gross margin reveals a company's pricing power and competitive position better than any other margin. Learn how to interpret it for stock analysis.
What Is an Economic Moat? Wide vs. Narrow vs. None
Learn what an economic moat is, the difference between wide, narrow, and no moat, and the five sources of competitive advantage.