What is the tripartite view of political parties? Has this model become outdated? If so, why?

2 answers

Read lots:

http://www.google.com/search?q=tripartite+view+of+political+parties&oq=tripartite+view+of+political+parties&aqs=chrome..69i57.1142j0j7&sourceid=chrome&es_sm=119&ie=UTF-8
ok so i got the first part the second part is no right beseech its still being used today??