duty differential

noun [C] ECONOMICS, TAX, COMMERCE

Definition

› a difference between the rates of tax charged in a country on similar types of goods: The Government announced a widening of the duty differential in favour of cleaner fuels.

› a difference between the rates of tax charged by different countries on similar goods: They discussed the problem of duty differentials between Northern Ireland and the Republic of Ireland.

(Definition of duty differential noun from the Cambridge Business English Dictionary © Cambridge University Press)

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