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.
1 A regressive tax is a tax where lower-income entities pay a higher fraction of their income in taxes than do higher-income entities. ( 2 Regressive taxes can also be thought of as taxes where the marginal tax rate is less than the average tax rate.