"Organizational flexibility itself can come in many forms. It can relate to the establishment's ability to vary its workforce by hiring and firing, by altering hours of work, by using non standard employees, or by subcontracting or outsourcing (i.e., numerical flexibility)."
(Human Resources Development Canada, An Overview of Workplace Change, Innovative Workplaces: Lessons Learned - January 1999, visited 2010-11-08)