1. Spatial Economics Research Centre (SERC), School of Management, Swansea University, Swansea, UK; and Wales Institute of Social & Economic Research, Data & Methods (WISERD).
2. Spatial Economics Research Centre (SERC), School of Management, Swansea University, Swansea, UK; Wales Institute of Social & Economic Research, Data & Methods (WISERD); and National Institute of Labour Study (NILS), Flinders University, Bedford Park, SA, Australia.
3. Wales Institute of Social & Economic Research, Data & Methods (WISERD); and School of Economics, The University of Sydney, Sydney, NSW, Australia.