SPECIFIC TAXES | AD-VALOREM TAXES |
A specific excise tax is levied based on quantity | An ad valorem excise is levied based on the value |
It is thus proportional to the particular quantity of a product sold, regardless of its price. Excise taxes, for instance, fall into this tax category. | It is a charge based on a fixed percentage of the product value. Per unit taxes have administrative advantages when it is easy to measure quantities of the product or service being sold. |
A specific tax increases the price of all equally and has a bigger effect on reducing overall demand | An ad Valorem tax places a proportionately higher tax on expensive goods. This can encourage consumers to switch from expensive alcohol and expensive cigarettes – to cheaper varieties |