In a globalizing world, national borders are frequently crossed. Moreover, flexibility is a key skill in the knowledge economy of the 21st century. Accordingly, an increasing number of workers can be labelled as ‘highly mobile’, which are persons that combine various forms of work (on-call contracts, employment agency work, platform-work, teleworking etc.) that are carried out in several countries.

This book provides an in-depth analysis of a current and pressing problem for an increasing...