Which of the following patterns is NOT observed in tariff rates of the world's major traders (EU, China, Japan, and the United States)? Part 2 A. Countries tend to protect the same sectors. B. Overall tariff rates are relatively low. C. Tariffs are highest for the agricultural sector. D. Countries tend to protect the sectors where they have a comparative advantage.An internal economies of scale is defined as Question content area bottom Part 1 A. a firm with falling costs over a relatively large range of output. B. a firm with falling costs over a specific level of output. C. an industry with costs that fall for all firms. D. a firm with falling costs over a relatively large range of output, but definite declining profits