摘要:Dramatic changes in 21st century careers have generated the need for a new set of the-oretical lenses that view careers in a more dynamic, fluid way. Several characteristics ofthis new complexity lens that directly apply to dynamic career systems include disconti-nuities in career progression, non-proportionality of effects of effort, sensitive depen-dence on initial conditions, viewing a system in terms of constraints and triggers forchange, and the impact of mutual causality of structural emergence. Two extensive casestudies are presented and explained using these concepts, providing an expandedunderstanding of careers in management and in entrepreneurship