Read up on this truly third way here. Since reading all of that will take you a lifetime, try reading either or both of the following, either online (below) or you can find 'em in treeware form:
- This, if you want a non-technical explanation (Verso, 2003) [Treeware]
- This (1991) and this (1990), if you want a math-filled technical explanation (both Princeton U. Press) [Treeware, '91; Treeware, '90]
More, probably with some overlap:
Finally, David Graeber, anthropologist, on an allied topic, participatory democracy; see an ever broader perspective ("participatory society") here. These allied movements seem to me to be the logical outcome of eighteenth-century liberal thought -- the logical outcome, mind you, not the historical outcome thus far.
Graeber on Charlie Rose: