noun
ad valorem duty; ad valorem tax
A tax or duty calculated as a percentage of the value of the goods, as opposed to a fixed amount per unit. Used in economics, trade, and customs contexts.
輸入品には従価税が課されることが多い。
Imported goods are often subject to ad valorem duties.
従価税は商品の価格に応じて税率が決まる。
Ad valorem tax rates are determined based on the price of the goods.