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A comment on Is Productivity Growth Becoming Irrelevant?. Parent comment

Re:Is Productivity Growth Becoming Irrelevant? by matt4077 on Sunday July 23, 2017 @05:47PM (#14834586)
The article doesn't require _all_ financial services, legal services, advertisement etc. to be zero-sum. It only needs some aspect, of some of these activities, to be zero-sum.
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Re:Is Productivity Growth Becoming Irrelevant? by paul_milovanov on Sunday July 23, 2017 @07:04PM (#14834842)
It sure claims that they're all mostly useless though.
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