Full Idea
Short of the whole planet there is no visible limit to the advantages of size, both in economic and in political organisation.
Gist of Idea
The economic and political advantages of great size seem to have no upper limit
Source
Bertrand Russell (Authority and the Individual [1949], 2)
Book Reference
Russell,Bertrand: 'Authority and the Individual' [Unwin 1977], p.26
A Reaction
Obviously there are also disadvantages, such as the vast distances, and the alienation of people far from the centre. I take economies of scale to be one of the advantages of socialist nationalisations.