In Marketing the Product Life Cycle is well known. So, too, is the Project Life Cycle. Stands to reason these concepts would be appropriated by the HRM field.
A good discussion on the stages of the life cycle are here: http://www.ibtimes.com/articles/139427/20110429/hr-technology-impacting-workforce-effectiveness-with-employee-lifecycle-management.htm
The employment lifecycle is a real sequence but it does not complete quite as naturally as it sounds in theory. Still, it is a useful concept to facilitate the integration a.