If the world price of steel is $600 per ton, a specific tariff of $120 per ton is equivalent to an ad valorem tariff of 25 percent.
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There is widespread agreement among economists that import tariffs increase overall employment in the levying country.
A. 对
B. 错
Assume that the United States imports VCRs from South Korea at a price of $200 per unit and that these VCRs are subject to an import tariff of 20 percent. Also assume that U.S. components are used in the VCRs assembled by South Korea and that these components have a value of $100. Under the Offshore Assembly Provision of U.S. tariff policy, the price of an imported VCR to the U.S. consumer after the tariff has been levied is $220.
A. 对
B. 错
高炉冶炼要求多放上渣,少放下渣,可以减轻熔渣对铁口的冲刷磨损和化学侵蚀等破坏作用,一般高炉上渣率应在()以上。
A. 50%
B. 70%
C. 30%
使用煤气时应该()。
A. 先开气后点火
B. 边开气边点火
C. 先点火后开气
D. 以上都不对