Your Next Supply Chain

New forces and dynamics are emerging to influence the supply chain designs of the future. And even the old forces are influencing it in new ways. Interviews with David Simchi-Levi and Charles H. Fine — two of the field’s premier thinkers — suggest how to capitalize on what’s coming.

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From the Editor
Looking backward, the trends that dominated supply chain management are easy to spot. As leading supply chain thinker David Simchi-Levi describes, the 1980s were all about the demands of just-in-time. In the ’90s, it was outsourcing. In the ’00s, it’s been the emergence of the Internet — which especially shaped procurement practices.

The Leading Question

What does the future of supply chain design look like?

  • There are six main forces that will influence supply chain design: globalization; rising logistics; rising risk; labor cost increases in the developing world; sustainability; and growing volatility.
  • One of the main design choices is between win-win (integral) and zero-sum (modular) architectures. An industry’s level of maturity is a key driver of the choice.

But the coming decade? Not so easy to see.

Some long-present factors, such as the sweep of globalization, will have new effects. Other factors, such as rising levels of risk, will throw greater weight — and have broader impact — than they did before. And the whole question of supply chain design will be more central to overall organizational competitiveness than it has been. As longtime visionary Charles H. Fine argues, supply chain questions become value chain questions; the whole dynamic ecosystem of a company’s suppliers, customers and stakeholders, not to mention the ecology of the industry it competes in, now must drive choices in supply chain design. Some of the choices look simple but aren’t. (Do I minimize costs, or maximize resilience?) Some of them look obvious but are subtle. (Do I create a game that’s win-win, or zero-sum?)

In the conversations on the following pages — and, in greater depth, on MIT Sloan Management Review’s Web site, — Simchi-Levi and Fine, two of the world’s premier strategists on the subject, explore those questions and others. Their insights begin to provide a context for how the smartest executives will need to address his or her company’s own unique supply chain design challenges.

Those challenges in general have been under the scrutiny of Simchi-Levi and Fine, both leaders of the MIT Forum for Supply Chain Innovation, for a long time. Simchi-Levi, a professor of civil and environmental engineering and engineering systems at MIT, is also an entrepreneur and executive. In 1995 he launched LogicTools, based on his software solution for helping companies make supply chain optimization decisions. (Simchi-Levi later sold LogicTools to a French company, ILOG S.A., which eventually was bought by IBM Corp. Simchi-Levi now serves as IBM ILOG’s chief scientist.) Fine, a professor at MIT Sloan School of Management, is most famously known as the author of Clockspeed: Winning Industry Control in the Age of Temporary Advantage.

Both men spoke with MIT Sloan Management Review editor-in-chief Michael S. Hopkins. This article contains just edited selections. The complete interviews are coming soon to

— Michael S. Hopkins, Editor-in-Chief

The 6 Forces Driving Supply Chain Design

The supply chain is a bigger competitive differentiator than ever. But there’s no one right way to design it. And the factors to consider have changed. An interview with David Simchi-Levi.

Note: The following are edited selections from the complete interview.

Can you offer some history? How has supply chain thinking evolved?

A perspective on the last 30 years gives us an insight into what has happened in the profession. In the 1980s, there was a lot of focus on just-in-time production, lean manufacturing and discrete systems. In the 1990s, starting from around 1993, you saw companies realize there is a limit to how much cost savings they can obtain from the manufacturing side, and they began to look for other ways to squeeze cost and improve operations. One attractive way was supply chains. We saw a shift in focus to supply chain collaboration and the outsourcing of logistics activities.

In the last 10 years, of course, there’s been the emergence of the Internet. There was a lot of excitement that it would change the way supply chains are managed and have a huge impact on procurement, in particular, because it allows you to put suppliers in direct competition. And the Internet did, in fact, completely impact the procurement part of the supply chain in many organizations.

And now looking forward? Your research shows that in just the last few years there has been a fairly dramatic increase in new trends and challenges affecting supply chain design. Let’s go through them.

There are six trends, and they all present challenges to thinking about supply chain management.

The first is globalization, an old force that continues to morph and that is producing longer and longer lead times.

The second is the significant increase in logistics costs, due to changes in transportation cost and inventory. In the last five years, transportation costs have increased by more than 50% because of energy prices. Inventory increased by more than 60% between 2002 and 2008. It’s directly tied to the rise in transportation costs: As transportation costs increase, companies try to take advantage of economics of scale by shipping large quantities.

The third trend is the increase in the level of risk that many companies are exposed to. This flows from embracing strategies like lean manufacturing and outsourcing and offshoring. Lean typically implies low level of inventory, and that means that when there is a disruption, the supply chain cannot meet supply and demand. Similarly, offshoring and outsourcing imply that that the supply chain is geographically more diverse, and therefore, exposed to all sorts of disruption.

The fourth trend is a significant increase in labor cost in developing countries. In the last 20 years, globalization, of course, has been the focus for many companies, but it was premised on an underlying assumption that it was low-cost manufacturing. But if you look at the last five years, the labor cost in China increased 20% year by year, on average. By comparison, it was up by 3% in the U.S. Companies that made production-sourcing decisions five years ago based on labor costs may need to revisit their decisions.

The fifth trend is the way companies are starting to focus on sustainability. It’s especially acute in Europe, which has a developing so-called green supply chain. In some industries this will play out as an increase in regulations companies have to follow, and will require thinking about how much carbon your supply chain produces.

The sixth trend, which is very important, is a significant increase in the volatility of commodity prices. Volatility is a big challenge for companies because when you’re procuring any commodity from oil to coal to steel and you need to sign a contract, it’s not clear if you should seek a commitment that’s long term or short term. If you sign a long-term contract, you need to outguess the market. That’s what happened, for example, to Northwest [Airlines] when oil prices were going up: They signed a long-term contract for a certain price per barrel of oil. And oil prices went down and they were stuck with this long-term deal.

I could imagine a manager saying, “We’re already dealing with each of those factors individually — no news there.” But is there something about the way they interact now that demands a different kind of management response?

Absolutely. It’s the combination of all these forces that makes managing the supply chain an enormous challenge. If I told you that you needed only to deliver on globalization, you’d say, “No problem,” and weigh low cost versus long lead time. But what if on top of that I told you that you’d now also need to keep in mind that as you have longer lead time, you’re exposed to different types of risk, and, by the way, the labor cost savings from shifting work to Mexico, for example, have shrunk.

What’s more, supply chain management has mostly been focused on cost reduction, and that’s one of the most critical mistakes a company can make, depending on its customer value proposition. Customer value, product characteristics, channels to market — all those considerations combine to require different kinds of supply chains.

Can you give us some examples of what you mean?

Dell, for instance. It focused on the direct consumer model, which meant a very efficient supply chain and a flexible business model where the value proposition is customer experience. It had a huge collection of components to select from. Customers could match what they wanted with what Dell had in their online system.

A year and a half ago, Dell announced they’re going retail. When you go retail, the challenges are completely different. Now, the question for Dell is what type of supply chain do I need? One supply chain for everything? Different supply chains for different parts of the business? Different channels have an impact on supply chain strategy, and the channels are related to customer experience and customer value.

There will be more sensible, hybrid approaches to supply chain management that combine regional and global activities. We see companies that used to produce in the Far East moving their manufacturing activities much closer to market demand. — David Simchi-Levi

In the online channel — the direct consumer model — the value proposition is, as we’ve said, customer experience. In the retail business, the value proposition is price. You offer competitive prices, customers come. In retail, customers don’t see a huge collection of products. They see a small set, and you compete directly with other vendors who are also providing low-cost products. The supply chain that supports the online channel is not the same as the supply chains that support the retail channel.

Another example is Wal-Mart. When you think about customer value in general, it’s multidimensional. Customers could find value in price, in quality, in selection, in branding. No company can be successful on all the dimensions. Wal-Mart says it’s going to compete on price, and so the supply chain that is supporting it is focused on cost.

That’s not the case for a company like Amazon. The customer value proposition that Amazon provides is a set of choices. You go there, and you see a huge store where you can select anything. They’re focusing on responsiveness. They’re focusing on service level and customer service. The supply chain that needs to support this type of customer value is different than the supply chains that need to support an everyday low-pricing strategy.

But Amazon also competes on price.

It’s true, but what I said is you cannot dominate on all the dimensions. You select one dimension and say, “Look, this is the dimension I dominate. In the other dimensions I may have superior performance, but I’m not dominating.” On the other hand, when you think about Wal-Mart, they dominate on price. Service is also their focus, but they don’t dominate on service.

What are the implications of the six trends strategically? What do companies need to weigh when thinking about how to design their own supply chains?

I think the six forces that we have identified have a number of implications that cannot be ignored. There are four, in fact.

One is risk management. If you take the sum of the six trends, then risk management should be something embedded in the supply chain culture, not outside of it. Back when companies first started to outsource in significant numbers, of course, they began considering risk, but that was when the level of volatility was relatively low. Remember, everything was about cost reduction, about lean, about outsourcing, and now, all of a sudden, everybody sees this potentially creates huge problems. That’s changed.

And, by the way, when we think risk management, we think about two types of sources of risks. One I call the “known-unknown”: sources of risk for which you have a lot of data, like an operational problem or lead time. Companies have thought about and put processes in place to manage those fairly well. But in the last few years we saw also the impact of the “unknown-unknown.” These are the risks like epidemics, earthquakes, geopolitical problems, where there is no data on the sources. It’s very difficult to predict or build models for these risks.

The second management implication of those six forces and how they interact is the need for visibility. Visibility into operations becomes a critical part of managing the supply chain. Think about three levels of visibility. One is, I just want to know where my products are in the chain, as they are moving over the ocean or they are on a truck. This is the lowest level of visibility. It allows you to improve responsiveness. It does not focus necessarily on cost, but it’s a great way to improve service. The second level of visibility is to say, Look, I’m not only interested in knowing where my stuff is as it moves from one node in the supply chain to another. I also want to know what exactly is the production plan of my supplier so that when he starts executing, I will know what to expect. I want to know he received his raw material from his supplier, so I know he’s going to execute on my order, and when. That’s a different level of visibility. That I call pipeline visibility. The third level of visibility is track and trace. That’s where there are sensors, and not necessarily even on the product itself. Maybe on the pallets, maybe on boxes, maybe on containers, so that I better utilize my resources. This is the highest level and the most expensive. Not everybody needs that level of visibility in order to improve supply chain performance. My point is, as you look at this spectrum and are starting to think where you are, what is your objective? Is it cost? Is it service? Is it coordination? Different types of visibility offer different benefits and have different requirements.

The third implication is a shift in thinking about globalization. The mantra behind globalization was low-cost country sourcing. But with increasing oil prices and the increase in labor costs in developing countries, this mantra is dead, basically. It’s not that everything is going to become regional, but there will be more sensible, hybrid approaches to supply chain management that combine regional and global activities. We see companies that used to produce in the Far East moving their manufacturing activities much closer to market demand.

And the fourth implication is a real need to focus on flexibility. With the increasing level of volatility, the days of static supply chain strategies are over. Flexibility is the ability to respond to change in demand volume, demand mix, maybe transportation cost, maybe even labor cost. Flexibility doesn’t come free. But it turns out that even a small amount of flexibility can give you almost all the benefits of full flexibility. Example: Making sure each plant is capable of producing not only one product but a small number of products provides you almost all the benefit of full flexibility by enabling adjustments to production-sourcing decisions to better meet supply and demand. Companies now understand they need flexibility. The question is: How much flexibility do we need and to what benefit?

Now, thinking about all this is not a guarantee that you’ll be successful at any of it, but it increases the likelihood of success. There is no one-size-fits-all, ideal supply chain strategy. Even when you look at the supply chain design of a company making a product that looks similar to yours, yours may have some conflicting attributes and characteristics that should push you in a different design direction. One thing is sure, though: If you go with a random match between strategies and challenges, then you are guaranteed to fail.

What do you think the smartest supply chain designers will be thinking about in years farther ahead?

Five years from now, 10 years from now, the emphasis is going to be on technology. It’s going to be on processes that allow companies to monitor, to plan, to execute and then to adjust. It’s not going to be everybody talking about KPI, key performance indicators. It’s going to be about predicting where those indicators are going to be a week from now because you can see out onto your supplier chain and anticipate.

People don’t already do that?

This is very difficult to do because you need to synthesize data across the entire supply chain and integrate plans with what’s happening on the floor at the ground level. That’s not easy. It seems obvious, but the technologies that you need to do that and the processes to do it, that’s what makes it very difficult. And the process that’s appropriate for one company won’t be appropriate for another.

Collaborate or Race? How to Design the Value Chain You Need

Sometimes the most “enlightened” and collaborative supplier relationships are the wrong kind to create. How to know? Assess not just your own company’s needs, but the maturity of your industry. An interview with Charles H. Fine.

Note: The following are edited selections from the complete interview.

In your work you usually talk about the “value chain.” What do you mean by that?

I distinguish between supply chain and value chain. Supply chain has historically addressed issues of logistics and the flow of materials, flow of information, flow of money. Value chain focuses on who gets the value in the chain, who creates value, who captures value, where is the value created — and how do you think about that in a coherent manner. Another way to think of the distinction: In the supply chain/logistics domain, the focus is on questions such as, How do we become more efficient? How do we become more sustainable? How do we reconcile sometimes competing objectives such as efficiency and resilience? Those kinds of issues.

Thinking about the value chain is more about asking, How can we change the competitive landscape, and change our competitive advantage, through the design of our entire end-to-end value chain.

How do company leaders need to be thinking about value chain design now?

Obviously, it’s more complicated than this, but two of the main models to think about are called integral value chain architecture and modular value chain architecture.

Those models confront companies with one of the biggest questions: Do we work with the players in our value chain in a collaborative fashion with long-term objectives that are somewhat common, or are each of us out for ourselves in the short run? Is it win-win or zero-sum? If a company working with a supplier says, “If I can force a price cut down your throat, I gain, you lose,” it’s zero-sum. If a company is saying to its laborers, “I can force a wage cut on you, or I can outsource overseas to find lower wage rates,” it’s also zero-sum. Zero-sum is modular architecture.

Win-win is integral architecture. Among other things, companies that build integral value chains are incentivizing their suppliers to share innovation, because the attitude of the players is, We’re all in this together and we benefit collectively from
innovation, and there’s a long-term trust-based
relationship such that I know if I give you an innovation, we’ll share the wealth.

Hey, I’ve kept up with my management literature — win-win is better. We should all design integral value chains for companies, right?

Actually, no, not always. What turns out to be interesting is that it really matters what stage of maturity your industry is in. In relatively mature industries, which have well-established product and process architectures, it can be smarter to have win-win situations. In younger, less stable industries, in which it’s still unclear which product and process architectures will become standard, an integral value chain design could kill you.

Can you describe some mature and immature
industry examples?

Think about the auto industry. In 1915 Henry Ford created the moving assembly line in process architecture around the same time that the industry’s product became standard: steel body, four wheels, internal combustion engine. If we’d been in the auto industry then, we’d have known what the product architecture was going to be, and what the process architecture was going to be. The industry was stable. As a result, we could have known who we should have long-term, trust-based relationships with.

At the other extreme, take an immature industry like biotech for energy. There are still so many process and product questions. Is it going to be based on algae? Is it going to be based on ethanol and corn? Is it going to be based on wood products? Is it going to be based on waste? We don’t know yet. There’s no dominant process or product technology. So, if you are in that business, how would you know who to have long-term trust-based relationships with if you don’t have stability in the process and product architecture?

As a result, immature industries — think Silicon Valley — can’t really have these long-term trust-based relationships because the rate of technological innovation, what I call the “clockspeeds,” is so fast that it’s very hard. It’s a race; it’s the fastest guy wins. In the more mature environments, the guy who wins is the guy who figures out how to get the best capabilities, drive down costs and create more value for the customer.

What’s interesting is figuring out what happens as an industry evolves from immature to mature. The winners of the immature stage are the guys who are the fastest, but they often can’t transition to become the winners in the mature stages. That’s why General Motors lost to Toyota, why Boeing’s losing to Airbus, why United Air is losing to Southwest Air.

OK, so link all this to supply chain management.

It’s bigger than supply chain, but it speaks to issues related to how you interact with your suppliers in different stages of the life cycle of an industry. To get innovation early in the life cycle, it’s survival of the fittest, fast-rate competition. You need suppliers who are all about speed and flexibility. To get innovation later in an industry’s life cycle, you need long-term, trust-based relationships with suppliers, where we’re all in this together, we’re going to work with you, we’re going to work together and we’re going to benefit collectively.

If you try to be too stable too soon, before your industry has settled on its standards, you could freeze on the wrong process architecture, wrong product architecture and wrong supplier. You can promise loyalty to them, but you can’t deliver it.

What industries are right in the middle of that transition to stability?

Well, I expect Apple and RIM and Dell and HP are still not ready to have long-term, trust-based supplier relationships that last forever because things are still changing much too rapidly. Apple is in a terrifically fast clockspeed space.

In your work, you’ve said that modular and integral approaches aren’t the only ones.

Yes. There’s another way to think about relationships, besides zero-sum and win-win, and that’s the open innovation world. One of the best examples of this is Procter & Gamble, and it’s a very rich model for thinking about supply chain and how do you get innovations out of your supply base and your value network.

Procter & Gamble has access to a big distribution pipe through Wal-Mart and other places. Anytime they get a successful product, they can market and distribute the hell out of it and push it through their big funnel out the other end. Now, it used to be that all Procter & Gamble products were developed in Procter & Gamble R&D labs, but then they said, “Well, why not use the world as our lab? Let’s try to create mechanisms to find innovations, ideas and new products anywhere.” The value proposition is: Give us your idea, and we can distribute it in the millions, if not billions, of units, and you get a smaller piece of a lot more units. We’ll do the marketing and the product development. We have a channel, and we need innovations.

Like I said, this way of thinking goes under the heading “open innovation,” but I think of it explicitly as a supply chain story. It’s a way for companies to go outside the organization to look for sources of supply ideas, product ideas or other ideas that it can productize and put through its machine. It’s another model of how people are using supply chains and different models of supply chain design to create value collectively in the value chain.

How can companies prime the pump to start thinking about all this and the three potential value chain paths in their own organizations?

First, they have to understand the forces of dynamics in their own value chain. There are capital market dynamics. There are business cycle dynamics. There are innovation and technology dynamics. There are government and regulatory policy dynamics. There are customer preference dynamics, industry structure dynamics and corporate strategy dynamics. All together, they’re interlocking gears. When one of these things, these dynamic forces, changes, it starts moving the other one.

A good exercise is to draw a picture of your value chain. Actually sketch it out, and look at when is integral good, when is modular good, when is open innovation good. And have four other people in your business do the same thing. You’ll all come back with five totally different drawings. When I do this with companies, I’ll have them present to each other. They’ll say, “I like that. I like that.” Then I’ll send them back and ask them each to do it again. And after about three iterations of this, they’ll come to some kind of agreement.

The point of the exercise is twofold: First, you see that everyone in an organization sees different things. It’s like the blind men and the elephant: One is aware of the tail, one is aware of the trunk, one is aware of the ear. It’s not that they get it wrong, it’s that they don’t get it complete. Second, with a few iterations and some coaching, they do end up with a picture of what I call the static snapshot of the value chain.

Then are they set?

Nah. I would say that if there’s one other dimension that I emphasize, it’s that we’re in an age of temporary advantage. All advantage is temporary. Maybe there’s some stability there, but in the actual implementation, no matter what you come up with today, you’re going to have to change it, even in the mature space, at a very high level. Life is not easy.


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Comments (4)
Rabindranath Bhattacharya
Dr. Rabindranath Bhattacharya, India
I apologize for a mistake in my earlier comment on the article on 13th line. You should read it as ' Realigning ..........' instead of ' Aligning.................' . This refers to the article of Pro. Narayanan and Prof. Raman of Harvard Business School published sometime back.
Rabindranath Bhattacharya
Dr. Rabindranath Bhattacharya, Chennai Business School, India 
Most of the companies in the world would not worry about their  supply chain risk, reward and trust deficit expected in the coming decade. Barring Japanese companies anywhere in the world most of the organisation executives still believe that 'status quo' is the best policy and would not like to come out of their silos fearing backlash. It's extremely difficult to maneuver  the human minds of the partners of the supply chain to align with the redesigned one. I have observed this while working in a company near Chicago where suppliers meant enemies not 'partners in progress'. The story is the same with the suppliers of auto parts to Big Three also. So do you expect smooth functioning of supply chain which is built on trust? So what is the solution? I feel ' Aligning incentives among partners in supply chain' is one of the solutions for the impending crisis to tackle hidden information. I as a General Manager used penalty as well as incentive in the contract to get a product from my supplier before time.
Eugene Marino
Having taken courses led by Professors Fine and Simchi-Levi at MIT Exec Edu I experienced first hand their knowledge, expertise and strategic thought regarding supply chain. They are premier thinkers in supply chain design and issues.  The articles were insightful and described the  challenges facing tomorrow's supply chain.  The articles  with thoughts and strategies to consider in designing a company's value chain are mandatory reading for all CEO's not just supply chain executives. 
Gene Marino
VP SCM, Princess Cruises
This article I found most comprehensive and useful.

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