Two properties of a dynamic network flow model based on a slow process of structural adjustment inspired by principles used in models utilising a priori information is analysed. Initially it is proved that each time period is characterised by monotonically non-increasing transportation costs...

Is it possible to identify regional differences among shippers in their valuation of infrastructure improvements? In this study, the question is analysed using a random utility approach, where parameters are estimated by a logit model. Data consist of a Swedish stated-preference study from 1992....

This paper formulates a theoretical framework in which the analysis starts with supplier-customer links of micro type. From this we derive aggregate trade links between nodes in a spatial network. It is shown how affinities and barriers shape and influence the establishment of customer links,...