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Disadvantages of JIT
Al Bodhi Terego
A lean system has no resilience. Integrating JIT as far as possible back up the supply line creates rigid connections between manufacturing units, leaving the entire system vulnerable to exogenous factors beyond management control: traffic jams, disruptions due to weather (hurricanes, for instance), accidents or catastrophes in one or another crucial segment. (And with JIT they're ALL crucial).
All production begins with nature - ores, energy, raw materials - and this sourcing, the root of the production process, can't be fully controlled.
A better model for management of production is the resilient systems of nature. Ecosystems absorb shocks and remain productive (until they are dismantled by humans wishing to subject nature to human concepts of industrial efficiency.) The web of nature is resilient. JIT production processes are not. See Jane Benyus, "Biomimicry," for more on this.
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Disadvantages of JIT
Aynul Hoque JIT is only effective where no exogenous factors. Rather it should be blended with environmental factors.... 
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Paradigm Shift
Hassanali Rassouli Viewing productivity from the old paradigm point of "mass production" leads to concern for full management control rather than customer satisfaction.<...
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JIT metaphors
Dr. Michael D. Kull I agree. Planning for contingencies and creating a system with some slack allows for flexibility and efficacy even if it means it may be less efficien...
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JIT metaphors book
Oluwaseyi Solomon, Partner, Singapore, Member Is Morgan "images of organization" a book?...
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JIT is an efficiency improvement tool
Prakash Rao JIT is one of the lean tools. Made available when required. It is an efficiency improvement tool, benefit is no waiting, hence the cost is less. To sa...
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Misunderstanding JIT
Dr. R. Varadarajan JIT is not just about matching production and supply so that there is no waiting time, leading to inventory reduction. I would say it is about agility...
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JIT is only one Element
Nako Stefanov I fully agree with the opinion of Hassnali Rassouli from Iran that JIT is only one element within whole system, including TPM, etc. Today of course JI...
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JIT is relevent
A.K.Bhargava JIT if used properly is the most effective tool in present downturn of the economy. Only what required is to use it judiciously...
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Misunderstanding JIT
Jason Schlott, United States, Member I have to agree with most of the respondents on this matter. JIT should not be utilized as a singled out process. The methodology should be used in co...
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Disadvantages of using JIT
Mayra Martinez According to some of the above opinions JIT depends on exogenous factors which cannot be controlled. However nowadays JIT is one of the best tools use...
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Disadvantages of JIT
Bruno JIT is directed to minimize inventory cost but JIT must consider two parameters: risk exposure and cost/value. This means that not all materials must ...
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Eric Schmitz
