A value-added tax (VAT) is a fee assessed against businesses at each step of the production and distribution process, usually whenever a product is resold or value is added to it. A VAT is levied on the difference between the purchase cost of an asset and the price at which it can be sold (i.e., the amount of value added to it). Producers and distributors typically pass the cost of the VAT on to the final consumer in the form of price increases. Tax is added to a product's price each time it changes hands until delivery to the customer takes place, when the final tax is paid.

Value-added tax falls under the general category of a consumption tax, meaning taxes on what people buy rather than on their earnings, savings, or investments. VAT has also been referred to as a sort of national sales...