The authors would like to thank a number of friends and colleagues for their support: Christian Schmid; the members of the SPUR group at ETH Zurich; the members of the Institute of Geography at the University of Neuchâtel; the anonymous interviewees who shared their time and expertise; the Editors at IJURR, and the anonymous reviewers for their invisible work and helpful feedback. This work was supported by the Swiss National Science Foundation Ambizione Grant PZ00P1_208764. Open access publishing facilitated by Eidgenossische Technische Hochschule Zurich, as part of the Wiley – Eidgenossische Technische Hochschule Zurich agreement via the Consortium Of Swiss Academic Libraries.