再生可能資源と南北世界の経済発展
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概要
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The purpose of this paper is to analize the condition for even development between North and South, and to consider the state of sustainable growth within the extended framework of Krugman (1981) by adding renewable resource as the factor of manufacturing production.This paper presents two models. The first is small country model. The second is two regions model. The two regions model considers a world consisting of two regions, called North and South, both of which have two sectors, agricultureand manufacturing. The two regions are characterized by identical technology, endowed with a fixed amount of labor, and trade their products freely. The agricultural sector produces an agricultural commodity using labor and constant returns technology. The manufacturing sector produces a manufactured good using labor and capital and renewable resource and increasing returns technology. In the small country model, there is one region, called Small country, which assumed to be a price taker for a manufactured good. The other assumption is identical with the two regions model.The small countory model shows that necessary conditions for development is as follows: 1. rich renewable resources. 2. small estrangement from advanced countries. 3. high elasticity of resource price. The two regions model shows that necessary condition for even development is high elasticity of manufactured good price. And the case of no resource trade has higher possibility for even development compare with the case of trading in resource. The result of the case of even development lead to the conclusion that infinite accumulation of capital is impossible on condition that finite growth of resource. therefore the sustainable growth is to attain steady stateeconomy in which fixed amount of resource is throwed into production of a manufactured good and fixed amount of manufactured good are produced in every period.
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