True Cost Economics is currently creating a sizable ruckus in the academic world, and its value as a system of thought is starting to be recognized by the economic establishment. -- Brendan Themes Go there >>True Cost Economics
Combined with the fact that sales tax is tied to consumption rather than income, this leads some to the conclusion that low-income individuals and families pay a greater proportion of their incomes in sales taxes, therefore sales tax is regressive. You're supposed to read regressive as unfair.
The U.S. tax code allows for a tax deduction for the recovery of the cost of tangible property over the useful life of the property. The Modified Accelerated Cost Recovery System (MACRS) is the current depreciation method for most property.