In fact, the post-war era has been the longest sustained period of trade liberalization in history – a particularly impressive feat, given that the world has just suffered the worst economic downturn since the Great Depression. Indeed, policymakers nowadays seem genuinely disinclined to resort to tariff increases.
尽管如此，总体趋势还是不断开放。事实上，战后是自由贸易历史持续时间最长的时期——这是个特别了不起的壮举，因为世界遭遇了大萧条以来最严重的经济衰退。事实上，政策制定者们目前似乎不愿真正提高关税。