ABSTRACT
A special thanks goes to two anonymous reviewers for their extremely helpful criticism and suggestions, as well as to the journal editors for their input.
Funding This special issue originated in the framework of the TRANSWORLD project funded by the EU’s 7th Framework Program for Socio-Economic Research (Grant agreement 290454). The Research College “Transformative Power of Europe”, funded by the German Research Foundation DFG sponsored the authors’ workshop on 23 May 2014. We thank the participants for their insights and their comments on the draft.
