Abstract
Putman S. H. (1970) Developing and testing an intra-regional model, Reg. Studies 4, 473–490. As part of the evaluation of the economic impact of alternative transport systems proposed for the Northeast Corridor region of the United States it was necessary to develop a model to forecast these impacts. The model described here was developed by integrating portions of the concepts of economic-base, intersectoral input-output, and spatial accessibility. Forecasts are developed, by the model, of employment (by ten sectors), population, personal income (by six classes), land value, and land use, for 131 county-size areas. The theoretical development, parameter estimation, and some testing, of the model are described, and directions for future work are suggested.

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