社会民主主义又称为民主社会主义,是一种拥有基本价值观且内容多元、杂糅的思想体系。各国社会党都有各自独立的经济观念与施政方法,而且其内容也是各自受不同社会思潮渗透,差异很大。只有仔细分析贯穿于历史与各国社会党之中共同的核心经济概念才能够真正了解社会民主主义的经济理论。 Social democracy, also known as democratic socialism, is a kind of ideological system with basic values ​​and diverse contents. Socialist parties in all countries have their own independent economic concepts and governance methods, and their contents are also infiltrated by different social ideological trends and vary greatly. Only a careful analysis of the core economic concepts that run through history and the social parties in various countries can really understand the social democratic economic theory.