Table of Contents

R&D (Research and Development)

The 30-Second Summary

What is R&D? A Plain English Definition

Imagine you own a small, successful bakery famous for its delicious sourdough bread. For years, you've used the same recipe, and it works. Your daily costs are flour, water, yeast, and labor. These are your “cost of goods sold.” The money you spend on rent, electricity, and the cashier's salary are your “operating expenses.” Now, what if you decide to spend time and money trying to create the world's best croissant? You hire a French pastry chef, buy expensive European butter, and spend weeks testing dozens of recipes. Most of these attempts fail. This entire process—the chef's time, the wasted butter, the new equipment—is your Research and Development (R&D). On your accounting books, this R&D looks like a pure expense. It reduces your profits for the month. Your accountant might even advise you to cut it. But you're not just spending money; you're investing in your bakery's future. If you succeed, you might develop a croissant so amazing that customers line up around the block, happily paying a premium for it. That new, profitable product line could power your growth for the next decade. That, in a nutshell, is R&D. It's the engine of innovation within a company. It's the set of activities businesses undertake to discover, create, and improve products, services, processes, and technologies. While accountants must classify it as an expense on the income_statement, a smart investor sees it for what it truly is: a capital investment in future growth and competitiveness.

“In the business world, the rearview mirror is always clearer than the windshield.” - Warren Buffett

This quote perfectly captures the essence of R&D. While past profits are easy to see, R&D is a company's attempt to build a clear and profitable path through the foggy windshield of the future.

Why It Matters to a Value Investor

For a value investor, who thinks like a business owner, understanding R&D is not optional—it's fundamental. It goes to the very heart of assessing a company's long-term intrinsic_value. Here’s why it's so crucial:

In essence, a value investor studies R&D not to predict the next hot gadget, but to identify companies that are systematically and intelligently building a more valuable, more resilient, and more profitable business for the decades to come.

How to Analyze R&D in Practice

Analyzing R&D is more of an art than a science. There is no single magic number. It requires you to act like a business analyst, not just a number cruncher. Here’s a practical framework.

The Method

  1. Step 1: Contextualize the Spending.
    • R&D as a Percentage of Sales: The first step is to calculate `R&D Expense / Total Revenue`. This tells you how much of each dollar of sales is being reinvested into innovation. Don't look at this number in a vacuum.
    • Compare to History: Is the current percentage higher or lower than the company's 5- or 10-year average? A sudden spike could mean a big new project, while a steady decline could be a red flag that the company is neglecting its future.
    • Compare to Peers: How does this percentage stack up against its direct competitors? In software, 15-25% is common. In pharmaceuticals, it can be even higher. In a business like a railroad or a soft drink company, it will be close to zero. This comparison is only useful within the same industry.
  2. Step 2: Assess the Productivity.
    • This is the most important and most difficult step. Spending money is easy; creating value is hard. You need to look for evidence that the R&D is effective.
    • Gross Profit per R&D Dollar: A useful (though imperfect) mental model is to compare today's gross profit to the R&D spent 3-5 years ago (depending on the industry's product cycle). For example, if a company spent $1 billion on R&D in 2020 and its gross profit increased by $500 million between 2020 and 2024, that's a clue. Is the company's overall gross profit growing faster than its R&D expense over long periods?
    • New Product Vitality: Does the company disclose what percentage of its revenue comes from products introduced in the last 3 or 5 years? Companies like 3M are famous for tracking this metric. It’s a direct sign of R&D success.
  3. Step 3: Read and Listen to Management.
    • The numbers only tell you what was spent. The company's annual reports, investor presentations, and shareholder letters tell you why.
    • Strategic Clarity: Does the CEO explain the R&D strategy in plain English? Do they articulate which big bets they are making and what the potential payoff is? Or do they use vague corporate jargon?
    • Focus: Is the R&D focused on strengthening the company's core business and widening its moat, or is it scattered across dozens of unrelated “moonshot” projects with little chance of success? A focused strategy is often more effective.

Interpreting the Analysis

A Practical Example

Let's compare two fictional semiconductor companies to illustrate the difference between good and bad R&D.

^ Metric ^ FutureChip Inc. ^ Legacy Devices Corp. ^

R&D as % of Sales 22% (Consistent) 20% (Erratic)
Gross Margin Trend Expanding (45% → 55% over 5 yrs) Stagnant (35% for 5 yrs)
Revenue Source 60% from products < 3 yrs old 15% from products < 3 yrs old
Management Commentary “Our R&D is focused on next-gen AI chips, where we can be #1 or #2.” “We are investing across multiple product lines to maintain market share.”

Analysis:

Advantages and Limitations

Strengths

Weaknesses & Common Pitfalls