在无海外竞争的环境中，在有利的宏观经济环境下，加之政府部门的大力支持和有效调节，以及大规模的私人保险（在欧洲却是公共社会保险 ） ， 以上四者合在一起，使二战后的美国不费什么成本，就得到了社会民主体制的诸多效益利润。
Favorable macroeconomic circumstances, the absence of foreign competition, a system of government support and regulation, and large-scale private provision of what in Europe would have been public social insurance all combined to give post-WWII America many of social democracy’s benefits without the costs. The economy did not stagger under the weight of ample benefits or high taxes.