这段话没怎么看懂。来自:MccanPhilip, Sheppard Stephen. The rise, fall and rise again of industrial locationtheory. Regional Studies, 2003, 37, 652.
distance-transportation costs are introduced here simply in order to differentiate between land on the basis of the locaion-specific rental payments achievable at each location. As such, location-specific variations in residual land rewards are the natural outcome of geographical  space.  
请高手指点。
谢。