Economic Definition of antidumping duty. Defined.
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Term antidumping duty Definition: A tariff levied by an imported country (presumably) being the target of foreign dumping. Since dumping implies selling a good to a foreign country at a price below production cost, the antidumping duty is intended to offset the 'unfair' advantage that the foreign seller obtains by selling below cost. The antidumping duty raises the domestic price of the good to the level that the foreign producer would charged if true costs were considered.