The Spatial Interaction Model proposed by Alonso as Theory ofMovements offers a new specification of spatial origin-destination flow models. Equations for flows between regions, totaloutflow from and total inflow to a region are linked bybalancing factors. The paper presents a consistent...

The Spatial Interaction Model proposed by Alonso as "Theory ofMovements" offers a new specification of spatial origin-destination flow models. Equations for flows between regions, totaloutflow from and total inflow to a region are linked bybalancing factors. The paper presents a consistent...

This paper discusses a number of issues centred around the evaluation of the benefits and costs of transport. It is argued that, for various reasons, transport cannot be treated as an ‘ordinary’ economic sector, and in the paper the policy implications of a number of the sector’s...