如果中国对世界价格为200美元的自行车征收50%的关税,而没有关税时一辆自行车零部件成本是100美元,那么中国制造的自行车得到的有效保护率是多少?
What would be the effective rate of protection on bicycles in China if China places a 50 percent tariff on bicycles, which have a world price of $200, and no tariff on bike components, which together have a world price of $100?
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