シンポジウム：地域科学の今後の課題 : ―巨大都市再発展策のフロンティア―

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The purpose of this paper is to clear up the cause of difficult problems remained to be solved in the mammoth cities, above all the Greater Tokyo, and to apply a policy model of the latest fashion for it.Ten years hence the resolution of the noise and traffic congestion problem will be a still more urgent need for the citizens in the Tokyo Metropolitan Area (TMA). The quiet dwelling and comfortable smooth traffic flow are ‘services’ of the type of public goods, whose optimal supply can not be attained through a laissez-faire market mechanism. Improvement of the life quality by noise reduction and by supply of transport facilities of good quality is and will be just a most difficult subject which will be possible to be resolved when a centralized planning system is introduced, although that of the ‘material’ welfare will be gradually made as the Japanese economy grows.So, we firstly intend to survey briefly the contributions which have been made to the frontier of the New Urban Economics, that is the dynamic urban system molel; and then to construct the non-linear dynamic multi-region multi-industry programming model in which we have built, more nicely, most matters remained so far unsettled, i. e., (1) inclusion of capital stock, (2) not one point economy, but spatial one, (3) not mono-city, but system of cities, (4) not ‘one point allocation’ of space, but dynamic & endogenous inclusion of it, (5) not malleable capital but more realistic inclusion of durability, perfect non-malleability, and location inertia of capital, (6) discrete model suitable for the large-scale computer computation and analysis rather than continuous one, (7) not uniform space, but taking geographical properties into consideration, and (8) endogenous & explicit inclusion of formation process of scale economies and agglomeration economies, that is non-linear dynamic optimization model.We call this model the Socio-Economic Planning Model of Greater Tokyo (SEPMOGT).SEPMOGT is a non-linear dynamic programming model. Into this model an essential theoretical framework has been built concerning not only the insight of decentrists but also that of big-city-theorists that an immense scale and agglomeration merits generating system can be established in the Kanto Plain through the total reorganization and strengthening of the present economic functions of the TMA.Our ultimate purpose is to put an end to decentrists vs. ‘centrists’ or small-city (little Tokyo) vs. big-city-theorists (Greater Tokyo) controversies concerning the national system of cities, within the normative framework of the maximization of the social welfare, which is approximately represented by the function in the amount of goods consumption, the quality of transportation services and dwelling environment, etc., subject to the lower-bound constraints on the disasterproof, environmental conservation, urban amenities, etc.
日本地域学会の論文

シンポジウム：地域科学の今後の課題 : ―巨大都市再発展策のフロンティア―

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