"Generally speaking, the less privileged groups in democratic society, as they become aware of their interests and their political power, will be found to press for more and more state intervention in practically all fields. Their interest clearly lies in having individual contracts subordinated as much as possible to general norms, laid down in laws, regulations, administrative dispositions, and semi-voluntary agreements between apparently private, but in reality, quasi-public organizations [e.g., wage agreements between Swedish unions and employers' confederations, and their counterparts in other countries]."