A<sc>ntonietti</sc> R., F<sc>errante</sc> M. R. and L<sc>eoncini</sc> R. Spatial agglomeration, production technology and the choice to make and/or buy: empirical evidence from the Emilia Romagna machine tool industry, <italic>Regional Studies</italic>. Using a new firm-level dataset, the decision, and relative intensity, to source either...