Anti-LDC Bias in the U.S. Tariff Structure: A Test of Source Versus Product Characteristics
检验美国关税结构是否对欠发达国家制成品出口存在歧视，发现关税差异主要源于产品特征而非来源国，近期歧视加剧源于欠发达国家比较优势的结构变化。
The existence of de facto discrimination against manufactured expor ts of developing countries (LDCs) in the U.S. tariff structure is well documented and typically blamed on decisions, implicit or explicit, made by the industrialized countries. The authors demonstrate that, in fact, there is no statistically-significant tariff differential attributable to LDC sourcing, exclusive of produc t characteristics, and that the recent persistence (and increase) in such measured discrimination is due to compositional shifts in LDC comparative advantage, rather than to changing tariff structures. Copyright 1988 by MIT Press.