Ad valorem tax is any tax that is based on the actual value of the item being taxed. Nearly any type of tax can be an ad valorem tax.
Direct tax is a tax paid by a person, as opposed to a tax levied on a business that the person indirectly pays.
Double taxation is when a tax is paid twice on the same income or item.
Indirect tax is a tax collected by an intermediary (such as a store) on behalf of the person who actually is required to pay (such as a customer)
Lump-sum tax is a tax that is a set amount, regardless of a person’s wealth or an item’s value.
Pigovian tax is a tax on a good or service that causes a harm to society that is not paid by the users of that good or service. It is designed to pay for the negative externalities of the good.
Payment in lieu of taxes is a system where an entity that is exempt from taxation makes a payment to the government instead. This payment may be mandatory or voluntary. Usually it applies to property.
Proportional tax is any tax where the tax rate is the same for all payers.
Progressive tax is a tax that charges the rich a greater percentage of their income than the poor.
Regressive tax is a tax that charges the poor a greater percentage of their income than the rich.
Single tax is a tax system that has only one tax levied.
Steering tax is a tax that aims to change the behavior of the public.
Tax break is a policy where certain groups are exempt from taxes or can be lower taxes.
Tax Farming is where a government grants persons the right to collect taxes and turn them over to the government.
Tax holiday is a policy where certain taxes are not collected for a period of time.
Tax-free shopping is a policy where visitors to a country can get their sales taxes or other taxes refunded.