By February 8, 2006 1 Comments Read More →

Jim Womack’s Latest Letter and a Q&A

This week, Jim Womack sent out his latest email newsletter, entitled “A Tale of Two Business Systems.” The Lean Enterprise Institute has offered up some of Jim’s time to answer a few selected questions about that letter or his recent book (with Dan Jones), Lean Solutions. We did a Q&A late last year, but it won’t be as extensive this time, but Jim will answer a few selected questions.

To read the full letter, click on “Comments” below, where I’m re-printing the letter, with LEI permission. If you have a question to submit, use the comments box or click here to email me. I’ll choose a few questions to pass along. Check back, as I’ll post Jim’s responses on Monday.

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n the fall of 1990, Dan Jones, Dan Roos, and I co-authored The Machine That Changed the World, our description of lean enterprise. On page 253 we forecast that 1991 or 1992 would be the moment of crisis as the full power of lean (represented by Toyota) threatened to topple mass production (defended by General Motors). And in 1992 GM nearly did go bankrupt.

However, as usually happens with forecasts, we were off in our timing. The moment of truth was actually delayed 15 years. What now seems certain is that Toyota will pass GM in 2006 to become the world’s largest industrial enterprise and that GM and Ford will undergo a profound transformation, whether led by current managers or by someone else.

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Mark Graban's passion is creating a better, safer, more cost effective healthcare system for patients and better workplaces for all. Mark is a consultant, author, and speaker in the "Lean healthcare" methodology. He is author of the Shingo Award-winning books Lean Hospitals and Healthcare Kaizen, as well as The Executive Guide to Healthcare Kaizen. His most recent project is an eBook titled Practicing Lean that benefits the Louise H. Batz Patient Safety Foundation, where Mark is a board member. Mark is also the VP of Improvement & Innovation Services for the technology company KaiNexus.

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  1. Mark Graban says:

    In the fall of 1990, Dan Jones, Dan Roos, and I co-authored The Machine That Changed the World, our description of lean enterprise. On page 253 we forecast that 1991 or 1992 would be the moment of crisis as the full power of lean (represented by Toyota) threatened to topple mass production (defended by General Motors). And in 1992 GM nearly did go bankrupt.

    However, as usually happens with forecasts, we were off in our timing. The moment of truth was actually delayed 15 years. What now seems certain is that Toyota will pass GM in 2006 to become the world’s largest industrial enterprise and that GM and Ford will undergo a profound transformation, whether led by current managers or by someone else.

    Recently, as I’ve listened to industry executives and the media grapple with this momentous event, I’ve been struck by the manifest irrelevance of most efforts to find the root cause. The crisis is not due to misaligned currencies, subsidies from “Japan, Inc.”, or spiking energy prices (although the latter has affected the precise timing). And it is not a simple case of too many retirees for the present workforce at GM and Ford to support. (Indeed, this gets cause and effect backwards: GM and Ford have too many North American retirees for current workers to support because both companies have lost half of their North American market share over the past 25 years and have hired hardly any new workers in a quarter century.) The root cause of the crisis lies in a clash of two business systems, and the better system is winning.

    As we pointed out in Machine – devoting a chapter to each point – a lean enterprise consists of five elements: a product development process, a supplier management process, a customer management process, an overarching enterprise management process, and a production process from order to fulfillment. And each of these processes is superior to the processes employed for the same tasks at a mass producer.

    The lean product development process, as used at Toyota, permits a company to produce vehicles with fewer hours of engineering and fewer months of development time with fewer defects while investing less capital and making customers happier. The key tools are the chief engineer concept, concurrent set-based design (which is simultaneous as well), and high speed prototyping with trade off curves so that re-invention is avoided. (It’s not an accident that Toyota was able to hear the voice of the customer first with regard to hybrids or that the Prius – with more new technology than any vehicle in a generation – was developed very quickly and was recently reported by Consumer Reports to be the most reliable vehicle sold in the U.S. These were predictable outcomes of the lean development process.)

    Lean supplier management creates a small number of highly capable suppliers in long-term partnership with their customers. Suppliers work to demanding customer targets for cost, quality, delivery reliability, and new technology and achieve these targets by jointly examining the development and production process they share with their customers. The lean approach has dramatic and predictable benefits, but if GM and Ford even understand these concepts, their perceived need to save themselves by bleeding their suppliers has made implementation impossible.

    A lean customer management system builds customers for life while reducing distribution costs by working backwards from the customer’s desired experience and forwards from the production system’s needs. In fact, although Toyota has deployed these concepts brilliantly in Japan, it has stumbled so far in applying them in the U.S. Its Lexus dealing system has created a very high level of customer satisfaction but at substantial cost. Achieving high satisfaction and low cost is a key topic in my and Dan Jones’s recently released Lean Solutions book and provides a terrific opportunity for GM and Ford to move ahead of Toyota by using its own methods. Or, if they fail, this could be the final act in the tragedy as Toyota finally makes its retailers lean in the next few years, the way it transformed its service parts operations in the 1990s.

    Finally, a lean management system involves managers at every level posing the key problems that need to be solved and asking the teams they lead to develop and implement the answers. This practice of asking the correct questions rather than providing the correct answers (which high-level bosses can never know in any case) is perhaps the starkest contrast between lean thinking and orthodox mass production and the hardest to implement.

    Putting these four elements together, it’s not surprising that lean exemplar Toyota is steadily advancing, as recovering mass-producers GM and Ford steadily retreat despite adopting parts of the lean system. And note that I have not even mentioned the fifth element of a lean enterprise – production operations – because GM and Ford are now nearly competitive on this dimension in terms of labor productivity. The root cause of the current crisis is not in the factory. It is in the rest of the value creation system.

    What must happen soon for GM and Ford to resolve this crisis?

    Rewrite the social contract. As Toyota learned when it went bankrupt in 1950 and fired a quarter of its workforce, no company in a truly competitive industry can make promises to employees (or retirees) that are not sustainable in the market. So Toyota made a deal: Right size the company at one go, tie compensation and benefits to market conditions (with bonuses of all employees geared to profits and with defined-contribution pensions), and try very hard to defend every employee willing to embrace the new value creation system. Over more than 50 years – by carefully following these rules – Toyota has been able to steadily increase its competitiveness while defending its employees. But everyone at Toyota understands that continuing employment with good compensation depends on continually creating more value per employee. That’s why everyone worries so much and thinks so much about continually improving every process. “Life-time employment” is a consequence of creating value, not a pre-condition or an entitlement.

    Introduce all of the elements of lean enterprise. This includes product development, supplier management, customer management, and policy management. These practices permit Toyota to get the right products to market first in North America with substantially higher selling prices within each segment and with substantially lower costs. This is even though its employees in North America are being paid wages and benefits comparable to GM and Ford – except for unsustainable early-retirement plans and defined-benefit pensions – and its suppliers make adequate margins as well.

    Simplify market offerings. GM and Ford do have a special problem, never faced by Toyota, in their plethora of brands. But the solution actually lies in GM’s past. President Alfred Sloan worked miracles in the early1920s by rationalizing the welter of overlapping and immemorable companies and products he inherited from founder Billy Durant. But where is the new Alfred Sloan who can either explain what Buick, Pontiac, Saab, Saturn, and GMC are (and Mercury, Mazda and Jaguar at Ford), or get rid of brands only adding costs? Toyota’s North American lineup of Scion – a buzzy, “what’s new?” brand, Toyota – a bread-and-butter brand for people who love great, hassle-free transportation but actually don’t care much about cars, and Lexus – for those needing status or image with their transportation – comprises as many brands as a modern-day car company can support.

    What’s the prospect if lean production is uniformly embraced? After a moment of truth – involving employees, retirees, suppliers, and investors – followed by dramatic restructuring at each company, equilibrium could return to this massive industry. GM and Ford could survive as independent companies, although considerably smaller, and Toyota would find that it needs to work even harder to improve every process as competitors embrace lean thinking. And that would be good for the whole world.

    But what will actually happen? That’s for the managers, employees, and investors at GM and Ford to decide and decide soon. Dan and I learned in 1990 that lean thinking provides a great way to identify the root cause of the problem but that Lean Thinkers shouldn’t put any confidence in forecasts!

    Best regards,

    Jim

    Jim Womack
    President and Founder
    Lean Enterprise Institute

    P.S. The Machine That Changed the World is still in print and available in the LEI online Store. With every copy, we include Dan’s and my pamphlet “How the World Has Changed Since The Machine That Changed the World” (which lists the mistakes we made as well as what we got right) and I sign every copy as well. Please go to the Store tab at http://www.lean.org for details.

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