“…Much of the attention has centred on the location decisions of firms, resulting in industry concentrations (Porter, 1998;Dziembowska-Kowalska & Funck, 1999;Ketels & Memedovic, 2008;Delgado et al, 2010), together with their implications for regional economic growth. Much of the attention has centred on the location decisions of firms, resulting in industry concentrations (Porter, 1998;Dziembowska-Kowalska & Funck, 1999;Ketels & Memedovic, 2008;Delgado et al, 2010), together with their implications for regional economic growth.…”