Quote:
Originally Posted by Enoch Root
But if you think about it, there is really no way for this to be tracked in any kind of accurate way.
Pure speculation and conjecture by the authors.
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No less accurate than most other economic studies. There is plenty of quality data that can be gathered and analyzed. As with anything, it doesn't exist in a vacuum, so you can never be certain of causation...but the world has progressed to it's current state through 'educated guesses'.