Increasingly policy makers are focusing on the importance of skills and lifelong learning. The reason for this is that workers with sufficient and up-to-date skills are more productive and have more potential to remain employed. However, the processes that influence skill obsolescence, have...

Although early human capital theory recognized the relevance of workers' experience, its focus was on education and formal training. Recent studies find that much of the performance of newly hired workers is driven by learning by doing or learning from peers or supervisors in the workplace....