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...

This paper provides more insight into the relevance of the assumption of human capital theory that the productivity of job-related training is driven by the improvement of workers' skills. We analyse the extent to which training and informal learning on the job are related to employee skill...