Social democracy
Social democracy and democratic socialism

Social democracy has some significant overlap in practical policy positions with democratic socialism, although they are usually distinguished from each other. In Britain, the revised version of Clause IV to the Labour Party Constitution, which was implemented in the 1990s by the New Labour faction led by Tony Blair, affirms a formal commitment to democratic socialism, describing it as a modernized form of social democracy; however, it no longer commits the party to public ownership of industry and in its place advocates "the enterprise of the market and the rigour of competition" along with "high quality public services either owned by the public or accountable to them". Many social democrats "refer to themselves as socialists or democratic socialists", and some such as Blair "use or have used these terms interchangeably". Others argue that "there are clear differences between the three terms, and preferred to describe their own political beliefs by using the term 'social democracy' only".

Democratic socialism represents social democracy before the 1970s, when the post-war displacement of Keynesianism by monetarism and neoliberalism caused many social democratic parties to adopt the Third Way ideology, accepting capitalism as the status quo for the time being and redefining socialism in a way that maintains the capitalist structure intact. Like modern social democracy, democratic socialism tends to follow a gradual or evolutionary path to socialism rather than a revolutionary one. Policies commonly supported are Keynesian and include some degree of regulation over the economy, social insurance schemes, public pension programs, and a gradual expansion of public ownership over major and strategic industries.
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