Arbia, G.; Espa, G.; Giuliani, D.; Mazzitelli, A. - In: Economic Modelling 29 (2012) 1, pp. 3-11
Why do industrial clusters occur in space? Is it because industries need to stay close together to interact or, conversely, because they concentrate in certain portions of space to exploit favourable conditions like public incentives, proximity to communication networks, to big population...