Specific taxes imposed on certain goods that are harmful or socially indesirable e.g. alcohol, tobacco. The taxes are revenue-raising and consumption-discouraging
Custom duties and tariffs
Taxes on imported goods to regulate international trade and protect domentic industies
Types of tariffs
Ad Valorem (% of the item's value)
Specific tariff (fixed fee per unit)
Quota-based tariff (higher tax after certain quantity)