Moreover, trade boosts productivity, which is why exporters pay higher wages than other companies, on average – an estimated 18% higher in the case of US manufacturing. And the purchasing power of income is enhanced by households’ opportunity to consume lower-priced imported goods.
此外，贸易刺激生产率，因此平均而言出口商的工资高于其他企业——对美国 制造业而言，要高出18%。而收入的购买力也因为家庭有机会消费价格更低的进口品而得到了加强。成本节约效应对食品和衣着来说尤其显著，而这两样东西占较低收入和中产阶级家庭支出的比重更大。