newtype_alpha
Here
http://en.wikipedia.org/wiki/List_of...s_in_Economics
Read their work and see just how the concept of 'socialism' is used in it.
As for the rest - as said, I'm really not interested in whatever fringe economists' opinions you find via google.
Of course, you didn't even bother looking for such opinions - you just took the simplified definition of the concept as it's found in a dictionary and assumed that's how the concept is used in economics.