The Key to Sustaining an Enduring Competitive Advantage

Summary

Summary of "The Key to Sustaining an Enduring Competitive Advantage" – HBR On Strategy

Introduction

In the February 5, 2025 episode of HBR On Strategy, hosted by Harvard Business Review, Chris Zook, former head of Bain & Co.'s global strategy practice and co-author of Build Enduring Businesses for a World of Constant Change, delves into the elusive nature of sustainable competitive advantage. Drawing from extensive research and real-world examples, Zook outlines three fundamental principles that can help organizations achieve and maintain long-term success.

The Challenge of Achieving Enduring Competitive Advantage

Chris Zook begins by highlighting a significant paradox in the business world. Despite the abundance of perceived opportunities, less than 1 in 10 companies achieve sustained and profitable growth over a decade. Referencing Zook's analysis of approximately 8,000 businesses over 25-30 years, he emphasizes that complexity within organizations is the primary barrier to success, rather than external factors like market selection or technological advancements.

“Only 1 in 10 actually succeed in achieving the targets.”
— Chris Zook [02:01]

Complexity as a Barrier to Growth

Zook underscores that 85% of executives identify complexity as the main obstacle to achieving their growth objectives. This complexity manifests in various forms, including:

• Increased business intricacies: As companies grow, their operations become more multifaceted, making swift and effective decision-making challenging.
• Slower institutional responses: Traditional institutions like government bodies and large corporations find it harder to adapt quickly to the rapidly changing business environment.

“History was happening faster. Product cycle times are shorter. Companies stay in their position for shorter times.”
— Chris Zook [04:01]

He further explains that the modern business landscape demands greater adaptability, a quality that is becoming increasingly critical for sustaining competitive advantage.

The Three Design Principles of Enduring Strategies

To combat complexity and foster enduring success, Zook introduces three design principles derived from his research on high-performing companies:

1. Clear and Measurable Differentiation

The first principle focuses on establishing a distinct and easily identifiable form of differentiation within the core business. This differentiation should be clear enough that everyone in the organization, from frontline employees to senior executives, understands and can articulate it.

• Example – IKEA: IKEA's sustained growth over 25 years is attributed to its clear differentiation strategy, encompassing self-assembly furniture, store layout, pricing strategy, and brand identity. Employees consistently recognize these differentiators, ensuring alignment across the organization.

“Well defined, clear, measurable differentiation, literally that everyone in your company can understand.”
— Chris Zook [07:09]

Zook also highlights the delivery gap, where only 8% of customers perceive products as highly differentiated, despite suppliers believing otherwise. This gap often leads to misaligned strategies within companies.

2. Embedding Strategy Principles into the Organization

The second principle involves hardwiring key strategic principles into the company’s operations, ensuring they permeate every level of the organization.

• Example – Vanguard: During the financial crisis, Vanguard's commitment to customer loyalty and indexed funds allowed it to capture a significant market share. These strategic principles were ingrained in the company's culture, guiding decision-making and operations consistently.

“The existence of these non negotiables in a company and their use in driving the strategy… was the second design principle.”
— Chris Zook [09:37]

Zook points out that only 40% of employees in surveyed companies are aware of their organization's strategy and objectives, highlighting the importance of effectively communicating and embedding these principles to avoid organizational chaos.

3. Systems for Learning and Feedback

The third principle emphasizes the creation of robust feedback loops and learning systems that focus on the most critical aspects of the strategy. These systems enable continuous improvement and adaptability.

• Example – Enterprise Rent-A-Car: Enterprise's use of the ESQI (a customer loyalty metric) exemplifies this principle. By ranking and publicly sharing branch performance weekly, Enterprise fosters a culture of accountability and continuous improvement, significantly enhancing competitive advantage.

“The ability to turn learning and continuous improvement into a competitive advantage was much more profound in the great repeatable model companies.”
— Chris Zook [11:37]

Zook asserts that these learning systems are vital for maintaining strategy health and robustness, allowing companies to swiftly adapt and evolve in response to market changes.

Real-World Example: Nike vs. Reebok

To illustrate the application of these principles, Zook compares Nike and Reebok, two athletic footwear giants that started under similar conditions in the 1990s.

• Nike: Focused on clear differentiation through performance, design, and strategic athlete endorsements. By adhering to its repeatable model, Nike consistently successfully expanded into new segments like cycling, tennis, and running.

• Reebok: Lacked a consistent differentiation strategy, ventured into unrelated product lines, and failed to sustain growth. This resulted in stagnation and eventual acquisition by Adidas after 18 years of flat performance.

“If you have a well defined repeatable model that adheres to these design principles… you have a position of game, set and match.”
— Chris Zook [14:22]

This comparison underscores the power of focus and adherence to strategic design principles in achieving and sustaining competitive advantage.

Conclusion

Chris Zook’s insights reveal that simplicity and focused strategic frameworks are essential for combating organizational complexity and achieving enduring success. By clearly differentiating, embedding strategic principles, and establishing effective learning systems, companies can significantly enhance their probability of sustained profitable growth. The examples of IKEA, Vanguard, Enterprise Rent-A-Car, Nike, and Reebok provide compelling evidence of how these principles can be effectively implemented to secure a lasting competitive edge.

“Complexity proved to be the silent killer of profitable growth.”
— Chris Zook [07:05]

Organizations striving for long-term success would do well to adopt these design principles, ensuring that their strategies are not only well-defined but also deeply ingrained and continuously refined through systematic learning.

Transcript

[Hannah Bates]

Welcome to HBR and Strategy case studies and conversations with the world's top business and management experts, hand selected to help you unlock new ways of doing business. It's essentially a holy grail for many businesses identifying sustainable competitive advantage. But Chris Zook points out that it's elusive for most companies. He notes that on average, less than 1 in 10 achieve profitable growth over the course of a decade. Zuk is the former head of Bain's global strategy practice. He's also co author of the book Build Enduring Businesses for a World of Constant Change. In this episode he shares three key principles that can help your organization find and maintain an enduring competitive advantage with real world examples drawn from Ikea Enterprise, Rent a Car and Nike. This episode originally aired on HBR IdeaCast in March 2012. And just a note, we recorded this by phone. So while the audio quality is not great, the conversation is. I think you'll enjoy it. Here it is.

[Sarah Greene]

Welcome to the HBR IdeaCast from Harvard Business Review. Hi, I'm Sarah Greene. I'm talking today with Chris Zook, a partner at Bain & Co. And co head of their strategy practice. He's the co author with James Allen of Build Enduring Businesses for a World of Constant Change. Chris, thanks so much for chatting with us.

[Chris Zook]

Oh, thank you very much.

[Sarah Greene]

So part of what drew me to your idea is that while you talk about this world of constant change, which sounds sort of exciting and exhausting at the same time, your strategic prescription for companies is actually to focus on simplicity and to fight against complexity. Is that realistic in today's world?

[Chris Zook]

Well, it's quite interesting. The work in the book Repeatability was really born of a paradox that we began observing, which was that from a database we created of about 8,000 businesses in the last 25 to 30 years at Bain and Company, we found that only now less than one in 10 companies achieves even a modest level of sustained and profitable growth over a 10 year period on average. And yet the paradox comes in collision with a very interesting additional fact, which is that 9 in 10 executives nearly when surveyed say that they actually feel they face adequate opportunities in their business. And yet the reality is that only 1 in 10 actually succeed in achieving the targets. And when we began drilling down into this in what turned out to be about a three year project on the root cause of more enduring competitive advantage in a world where it seems shorter, we asked 377 executives what was the number one barrier to achieving their goals. And 85% of them answered in a way that was related to the Broad theme of complexity. They either felt it was becoming more difficult to react to an increasingly fast world in businesses that are more complex and more muscle boundaries, or to see and perceive what they need to react to, or internally to decide and to mobilize, or to focus resources for a long enough period of time. But we were fascinated that it was not being in the wrong market. Some amazing competitor move, some technology that they coveted but did not have, that served as their main barrier. They actually cited over and over again this topic of complexity.

[Sarah Greene]

So in your view, complexity, rising complexity is not just sort of like a bad weather system that's moving through and we have to deal with it. It's something that can actually be managed with the right strategic approach?

[Chris Zook]

Yeah, I mean, I think that the clash of complexity and speed, maybe several decades ago, was a world of long periods of more calm punctuated by brief periods of turbulence. When those two things come into conflict. I think we're now finding that in a separate piece of work we did, for example, that we called the CEOs agenda. We asked CEOs what was their number one issue in their job, and they actually said we'd never heard this before. They overwhelmingly said it was managing their time and energy in the face of growing complexity. And when we probed further, it was really a sense that the world is moving faster. I just came from Davos. In one talk after another, I would hear economists and historians and even the leader of the forum say that it was almost as if history was happening faster. History was happening at warp speed. Product cycle times are shorter. Companies stay in their position for shorter times. There's more you have to react to. And yet institutions, whether government institutions or businesses, are more complex and slower moving and therefore less adaptable. And I think adaptability is becoming much more a headline in the success factors of businesses than it used to be a general direction. And adaptability is proving to be one key element of success factors.

[Sarah Greene]

Yeah, so that's a little bit about the current moment we're in. But of course, the idea of looking for a sustainable source of competitive advantage has been a holy grail for business for a long time. As you say, it's about as common as a holy grail, since one in 10 of the companies in your study actually get to something like that. How does repeatability help companies get closer?

[Chris Zook]

Well, we began looking a lot more closely at the drivers of enduring success because we found many companies, a very large percentage, would have two or three or even four good years, but not very many. Only one in 10 would achieve that on average for 10. And when you got to 15, the odds of success went down even more. And so we began a process of interviewing CEOs and executives and building another database of about 200 companies with a lot of their practices and characteristics of their strategies, in search of what we call the design principles of enduring strategies. And what we found were three design principles that, when all three were adhered to at a very high level, resulted in businesses, on average, being able to have as much as five to six times longer duration of maintaining competitive advantage. And all three of them were actually related in some way to this theme of simplicity. What we found, I guess the headline in a way, for the whole study, is the idea that complexity proved to be the silent killer of profitable growth.

[Sarah Greene]

So can you walk us through some of those principles quickly?

[Chris Zook]

Sure. The first one is much more born of classical strategy. It is really the presence of an extremely clear form of differentiation in your most important core business uniqueness against your competitors, so that it just really jumps out at you and hits you in the face. An example of this might be, let's say, Ikea, the furniture retailer, which has outgrown its market by two and a half times for over 25 years. And it's amazing when you ask the people in the company whether it's a frontline or whether it's senior executives, how Ikea is special, they all rattle off a very clear and very crisp set of factors, from the self assembly to the layout and color and branding of the store, to how they design to a price point. So the first of the three principles of the great repeatable models is what we called well defined, clear, measurable differentiation, literally that everyone in your company can understand. You know, you could hear this and say, well, like, of course that's true, but, you know, it's quite amazing. We did some work on differentiation where we asked a whole lot of customers and then their suppliers of a range of products from cell phones to rental cars, how differentiated they felt the product that they were consuming was. And only 8% of customers for this set of products said they thought it was very differentiated and unique, versus 80% of the suppliers. And we called this difference the delivery gap or the differentiation gap. And, you know, it's amazing, you know, in my role as head of strategy practice at Bain, I very often walk into client situations with my partners, and we find that actually the management team has assumed they know what their core differentiation is, but actually hasn't discussed it in years. You know, it's almost like a couple that may not for 10 years have discussed the essence of their relationship, and suddenly they wake up and discover that they're on different planets.

[Sarah Greene]

Okay, so that's the first one. Tell us a little bit about the other two.

[Chris Zook]

The way I would characterize the second design principle is the absolute ab to hardwire the key four or five or six principles or ideas of the strategy. So just think of the IKEA example all the way through the organization into frontline routines using a small number of principles and beliefs that we've been calling the non negotiables. And so the existence of these non negotiables in a company and their use in driving the strategy, almost like the operating manual of strategy to the front line, was the second design principle. A simple and great example is Vanguard, the company which, during the financial Crisis, amazingly captured 40% of all the free money circulating in the United States. And it's very interesting, you know, if you talk to the phone operators or the CEO at Vanguard, they will speak in almost identical words about the key principles that define how the company operates. From a belief in loyalty to the small investor, such that they will even turn down money from others that they feel are hot money, to the concept that you can't be the market in the long run, which caused them to favor and ultimately really develop the science of indexed funds. And so that would be a second one. And again, you can hear this and say, well, of course, isn't this how strategies get done? But actually, companies layer in so much complexity that very often the wiring, the signal from the top to the front line just doesn't really occur. We got hold of some data on 300,000 employees from hundreds of employee surveys of companies. And what we found is that in only about 40% of the cases did the average employee in the average company, not even the worst company, say that they had any idea about what the strategy and its key objectives were. And imagine if you had a marching band or a football team where only 40% of the people had an idea of what the game plan was. You'd have chaos. So that's the second design principle, is the ability to drive through a few ideas, the non negotiables, all the way to the front line. I think that's becoming a much more important test of strategy in a world where the CEOs are getting drawn farther from the front line.

[Sarah Greene]

So what's the final one? What's the third one?

[Chris Zook]

The final one is proved actually to be the most difficult, on average, for companies to do. But as we observe, companies around the world. And even as we observe our own mix of business at Bain working for clients, we're seeing a much more intense focus on this third design principle, which is about feedback loops and systems for learning around the four or five absolutely most important variables of the strategy that are really highlighted, that link to people's pay, perhaps that are not necessarily financial measures, but they may be measures of customer loyalty, they may be measures of products working correctly the first time in the field. But we found that the ability to turn learning and continuous improvement into a competitive advantage was much more profound in the great repeatable model companies like Ikea or Vanguard or maybe Enterprise Rent a car. You know, Enterprise is an interesting example of this because, you know, the largest hire of college writes now in America, amazingly, and the second largest fleet next to the post office in America and have outgrown by a factor of two the rental car market for nearly 20 years. And if you talk to Andy Taylor Jr. The son of the founder and CEO until recently, he says that basically the whole company is built around one measurement, one feedback number, which they call esqi. It's a customer loyalty measure of would you come back or not? And they actually rank order every single one of 8,000 branches every week, publish the data, and if you're in the bottom section of that group, there are no promotions and no bonuses. And as a result, the learning of the lower group goes up very fast because they share practices and they study assiduously the ones that are at the top. And it's become, you know, an enormously powerful source of competitive advantage. So the first is the differentiation, first design principle, clarity of it, simplicity of it. The second is ability to translate into non negotiable principles and push it down to shorten the distance from the CEO to the front line. And the third is a few really superordinately important and powerful learning systems that everyone knows about and serves in a way, as a measure of the health and robustness of the core itself.

[Sarah Greene]

One of the sort of interesting pairings I think that you talk about in the book to illustrate those three principles was comparing Nike versus Reebok. What did you learn from that contrast?

[Chris Zook]

You know, it's so interesting sometimes to go back and follow the history of two companies, in this case Nike and Reebok, that started at least in a moment in time, in remarkably similar circumstances around 1990. They were both 100% athletic footwear, rubber soled sneakers, they were approximately the same size. The brands were approximately equally known, and they were both approximately similarly profitable. And yet along the way, Nike developed a repeatable model around a few very simple and clear forms of differentiation to do with performance and design of materials and the brand and their supply chain to Asia. And above all, being superb at signing contracts with top athletes of the world like Roger Federer. Whereas by contrast, Reebok wandered around following what turned out to be a pattern of no pattern really, and wandered into everything, began seeing himself for a while as a general shoe company and wandered into Western Boots, Rockport Walking Shoes. Those were not successful. They exited. They tried fashion for a while and had joint ventures with Ralph Lauren in fashion which were not that successful. They went back to performance but were a bit late to copy Nike and came out with a range of products like the pump, which were not that successful. And they wandered around for nearly 20 years in the twilight of marginal economics. Actually, the stock price was almost completely flat for 18 years until they were purchased by Adidas, the German competitor to Nike. And I think what this said is if you are a company and you have a competitor and you are able, just like maybe Walmart versus Kmart would be another example. There's a lot of examples. General Motors versus Toyota would be another. And you have a well defined repeatable model that adheres to these design principles. You drive learning much more quickly, you have your resources much more focused and the probability of your growth bets, like going into a new segment for Nike is much, much higher. You know, Nike's odds of success from going into cycling or tennis or running or football or golf or volleyball or one segment after another has been extremely high, product after product because of their repeatable formula to do it. Whereas the success rate of the typical growth move is 20%, and for Reebok it was much lower than that. So I think the Nike Reebok contrast attests to the power of focus, power of the design principles of repeatable models and above all, the competitive power. If you are doing it and your competitor isn't, you in a relatively quick time can be in a position of game, set and match.

[Sarah Greene]

Well, Chris, that's good advice and I know there's a lot more of it in the book. Thanks again for sharing some of your time with us today.

[Chris Zook]

Oh, my pleasure.

[Hannah Bates]

That was Chris Zook in conversation with Sarah Greene on HBR IdeaCast. Zuk is the former head of Bain's Global Strategy Practice. He's also co author of the book Build Enduring Businesses for a World of Constant Change. We'll be back next Wednesday with another handpicked conversation about business strategy for from the Harvard Business Review if you found this episode helpful, share it with your friends and colleagues and follow our show on Apple Podcasts, Spotify, or wherever you get your podcasts. While you're there, be sure to leave us a review. And when you're ready for more podcasts, articles, case studies, books and videos with the world's top business and management experts, find it [e-mail] this episode was produced by Ann Sanney and me, Hannah Bates. Ian Fox is our editor, and special thanks to Maureen Hoke, Erica Truxler, Ramsey Kabaz, Nicole Smith, Ann Bartholomew, and you, our listener. See you next week.