Existing indices measuring the spatial distribution of economic activity such as the Krugman Specialisation Index, the Hirschmann-Herfindahl index and the Ellison-Glaeser index typically do not take into account the spatial structure of the data. In this paper, we first consider traditional...

This article proposes a new method for the estimation of the parameters of a simple linear regression model which is based on the minimization of a quartic loss function. The aim is to extend the traditional methodology, based on the normality assumption, to also take into account higher moments...

D<sc>e</sc> D<sc>ominicis</sc> L., A<sc>rbia</sc> G. and D<sc>e</sc> G<sc>root</sc> H. L. F. Concentration of manufacturing and service sector activities in Italy: accounting for spatial dependence and firm size distribution, <italic>Regional Studies</italic>. Empirical analysis of the spatial distribution of economic activity on a discrete space is based...