For example, an 80 percent learning curve means the per unit average cumulative cost (in hours or dollars) falls to 80 percent of the previous per unit average cumulative cost as the cumulative output doubles. Also called improvement curve or progress curve, learning curves are, however, not universally applicable but show most promise in situations where non-mechanized, repetitive assembly operations predominate and which largely use direct labor
Therefore, I think the least likely factor should be Economic of scope.
[此贴子已经被作者于2009-6-9 18:25:56编辑过] | 
发表于 2009-6-8 11:59
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