A Debate about the Lifecycle of Learning: Internal and External Skill Acquisition

Catalyst Center for Work Innovation: The Debate · May 22, 2026 · 26m

This research examines how employees acquire professional skills through a combination of internal peer learning and external formal training over the course of their careers. Research indicates that informal knowledge sharing among colleagues is most vital during early career stages, whereas structured external programs peak in importance during mid-career. These distinct learning trajectories significantly impact lifetime earnings, workforce productivity, and the widening gap of wage inequality. The research argues that modern shifts toward remote work threaten essential early-career…