This paper presents a model to generate dynamic patterns of maritime piracy. Model details, outputs and calibration are illustrated. The model presented here is a tool to estimate the number of pirates and their area of action. The Gulf of Aden is considered as a case study, and data on pirate...

This paper presents a new spatial interaction modelling framework for estimating subnational, international migration flows within Europe. We introduce a several-stage model which incorporates constraints at two geographical levels and produces estimates for a full matrices of interregional...

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The continuing growth of urban regions coupled with their strong interactions with transportation systems places great emphasis on the coevolution of these systems. In this paper we introduce three developments. First, as a preliminary, the dynamic model of the evolution of retail structure is...