progressivity
noun
- the quality of being progressive: said of a tax or system of taxation
- the degree to which a tax or system of taxation is progressive
See progressivity in American Heritage Dictionary 4
(prōˌgrĕ-sĭvˈĭ-tē, prŏgˌrĕ-)
noun pl. pro·gres·siv·i·ties The quality or degree of being progressive: “Proponents of progressivity often argue that higher-income people should pay higher taxes because they benefit more from government” (National Review).
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