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In this paper we propose an ACO approach, where two colonies of ants aim to optimize total costs in a transportation network. This main objective consists of two sub goals, namely fleet size minimization and minimization of the vehicle movement costs, which are conflicting for some regions of...

This paper re-examines theories previously advanced to explain Lancashire’s slowadoption of ring spinning. New cost estimates show that although additionaltransport costs and technical complementarities between certain types of machinereduced ring adoption rates, these supply side constraints...

This paper explores the location of industry in pre-World-War-I Britain using a model that takes account both of factor endowment and also of new economic geography influences. Broadly speaking, the pattern of industrial location in this period was quite persistent and regional specialization...

This paper constructs measures of market potential for British regions based on the spatial distribution of GDP and its accessibility. The results show that the North, Scotland and Wales were much less 'peripheral' before World War I than in 1985. The main reason for the deterioration in their...

We investigate the impact of changes in international trade and domestic transport costs on the internalgeography of a domestic economy linked to the rest of the World through a hub. We address that issue bydeveloping two three regions model, namely a version of the Footlose Entrepreneur and a...

We develop a model of commodity tax competition with monopolistically competitive internationallymobile firms, transport costs, and asymmetric country sizes. We investigate the impacts of noncooperativetax setting, as well as of tax harmonization and changes in the tax principle, in both...

In this paper we analyze the evolution of output decisions of adaptive firms in an environment of oligopolistic competition. The firm might either choose to produce one of several existing product variants or try to establish a new product variant on the market....