In addition, Austan Goolsbee, the former chairman of Mr. Obama's Council of Economic Advisers, did pioneering work in the early 2000s documenting that the organizational form of firms is highly responsive to tax changes, arguing at the time that this significantly increases the likely deadweight loss associated with the corporate tax.

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The 9-9-9 Plan is a member of what I call the family of taxonomically equivalent tax systems, which define the tax base in an economically proper manner, albeit in different forms, and minimize the deadweight-loss tax burden on the economy.

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The economic inefficiency, or deadweight loss, would not matter.

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This policy will hurt the world, because it causes inefficiencies (deadweight loss).

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On the best allowance, there are too few conceivable advantages to measure against this deadweight of clear loss.

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