Infrastructure investment projects and programmes are generally evaluated by comparing project costs with pertinent benefits. In this paper a series of alternative national road investment programmes in Sweden are examined. Each programme is assessed in terms of expected time savings and reduced...

Among the export-oriented Nordic economies, industrial policy in the postwar period has centered on stimulating the exit of obsolete and the entry of modern production vintages, in a multiregional context. This paper presents the theoretical background for this policy in terms of models and...

In modeling trade competition for final products within a sector, the assumption of product homogeneity is often quite unrealistic. Even where the demand for different versions of the product can be attributed to relatively independent submarkets, considerable heterogeneity may still exist...

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....