CONTEXT
This section of the journal encourages discussion between several authors on a policy related topic. The same question may, therefore, be addressed from different theoretical, cultural or spatial perspectives. Dialogues may be applied or highly abstract. The Dialogue in this issue starts with Kevin Hylton and Jonathan Long's contribution doi.10.1080/19407963.2015.1115950.
Disclosure statement
No potential conflict of interest was reported by the authors.