"We use two alternative approaches to analyze the trade restrictiveness of the Canadian and EU import tariff structures for agricultural goods. The first involves direct, detailed calculations at the tariff line level of summary protection indexes. We compare the newer method of welfare and...

When impacts of WTO market access proposals are analyzed with economic trade models, it is necessary to aggregate tariff data from the detailed tariff line level to the model level. In this article import tariffs and implemented import tariff cuts are aggregated from the HS6-digit tariff line...