Progressive Tax: A tax system where the tax rate increases as the taxable amount increases, requiring higher-income individuals to pay a larger percentage of their income in taxes.
Regressive Tax: A tax system where the tax rate decreases as the taxable amount increases, resulting in lower-income individuals paying a higher percentage of their income in taxes.
Tax Incidence:The distribution of the burden of a tax between the buyer and the seller, depending on the elasticity of demand and supply.