当代发达国家的保护性关税理论与政策刘力王玉海国内学者一般认为，当代发达国家的贸易保护主要依靠非关税贸易政策，而关税政策则无足轻重。其实，保护性关税作为发达国家新贸易保护主义政策的一个组成部分仍然发挥着重要的作用。虽然战后发达国家的总体关税水平在不断下... Current theory and policy of protective tariffs in developed countries Liu Li Wang Yuhai Domestic scholars generally believe that trade protection in modern developed countries mainly relies on non-tariff trade policies, while tariff policies are insignificant. In fact, protective tariffs still play an important role as an integral part of the new trade protectionism policy of developed countries. Although the post-war developed countries’ overall tariff levels are constantly under...