168 M. Ruhs for excluding/excluding asylum seekers, refugees and other migrants from outside Europe – and vice versa? These are open and important issues for empirical research. Any defence of the current rules for free movement should, in my view, consider and engage with these wider questions and inter-relationships Open Access This chapter is licensed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made. The images or other third party material in this chapter are included in the ­chapter’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the c­ hapter’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.