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排序方式: 共有134条查询结果,搜索用时 31 毫秒
121.
Chihiro Shimizu Kiyohiko G. Nishimura & Yasushi Asami 《Review of urban and regional development studies : RURDS : journal of the Applied Regional Conference》2004,16(3):210-230
The social cost of imperfect information, in terms of buyers' search costs and sellers' opportunity costs of vacancy, is estimated in the real estate market of resale condominiums in central Tokyo by using a new, comprehensive dataset of resale condominium transactions. The results suggest a substantial social cost. Specifically, if housing information were perfectly available and marketing time were null, sellers would get benefits of 22.59% of imputed net rents of their property. In addition, buyers would save 1,042,000 yen spent on search activities for one transaction, if information were perfect. This is equivalent to 13.2% of buyers' average annual income. 相似文献
122.
We use the Principle of Optimality in addition to the Euler equation in order to provide a characterization of optimal one-sector growth for all ranges of interest rates when the technology is not convex. Our key result is that the sequence of capital stocks is necessarily monotonic. For certain interest rates we show that the optimal path converges to a steady state only if the initial capital stock is above a critical level, otherwise it converges to zero. Finally, we demonstrate that the set of points for which the value function is differentiable is precisely the set of initial capital stocks from which there is a unique optimal path. 相似文献
123.
Kazuhiko Nishimura 《Economic Systems Research》2002,14(1):89-94
We examine the general equilibrium repercussions associated with the introduction of new technologies, using the generalized Leontief system that allows technological substitutions. We show that an untested introduction of cost-increasing technologies in any industry may result in creating a non-productive technological structure that does not satisfy the Hawkins-Simon condition, following the autonomous dynamic adjustment process with structural transitions in the economic system. Therefore, we propose a practicable control scheme of introducing cost-increasing technologies that strictly avoids the creation of non-productive structures in all periods of structural transition, using the available information on the ex ante technological structure. 相似文献
124.
The objective of the coal technology assessment is to compare the environmental, social, economic, and institutional consequences that may arise from development of various mixes of coal-based energy technologies to the year 2030. This article presents the assumptions behind the method, the experience from two forums with interested parties, the three scenarios constructed for the study, and the result of one issue analysis, namely the effects of global carbon-dioxide buildup from coal combustion. 相似文献
125.
Interior Optimal Chaos with Arbitrarily Low Discount Rates 总被引:1,自引:0,他引:1
In this study, we demonstrate, for an arbitrarily small discount rate, the existence of a topologically chaotic policy function that lies in the interior of the technology set in a two-sector model with smooth production and utility functions. For this purpose, we adopt CES production functions and a utility function with a constant elasticity of intertemporal substitution. The two-sector model with those functions always has a policy function lying in the interior of the technology set (interior policy function). The existence of a scramble set of a policy function may be proved even in the case in which the discount rate is arbitrarily small.
JEL Classification Number: 041. 相似文献
JEL Classification Number: 041. 相似文献
126.
Using results from the theory of non‐linear dynamical systems, it has been shown that optimal growth theory can provide new explanations for business cycles and for international differences in growth and development. The present survey concentrates on this aspect of optimal growth theory, that is on the possibility of fluctuations and non‐uniqueness in models of optimal capital accumulation. It is a selective survey on non‐linear dynamics in infinite time horizon models of optimal growth. 相似文献
127.
Kiyohiko G. Nishimura 《The Japanese Economic Review》2000,51(1):95-110
This paper shows that there are substantial gains from price rigidity in an imperfectly competitive economy. Firms can increase their profits by agreeing some markets as markets of long-term contracts, of which prices are determined in advance to other spot market prices. Although they determine prices non-cooperatively in both markets, the mutual commitment making some markets' prices predetermined induces a price–price spiral between firms, which results in substantial gains for both firms. These gains outweigh the cost of inflexibility arising from price rigidity even though demand fluctuation is large and marginal cost is increasing.
JEL Classification Numbers: E30, E32. 相似文献
JEL Classification Numbers: E30, E32. 相似文献
128.
This paper examines China's industrialization in the light of the Lewis growth model. It begins with a perusal of Lewis's own writings and those of Fei and Ranis to clarify certain assumptions and predictions of the Lewis model. The paper then reviews previous applications of the Lewis model in studying industrialization of other countries, and notes the methodological problems that arise in this regard. In applying the Lewis model to study China's industrialization, the paper focuses on the dynamic relationship between wage and marginal product of labor in the traditional sector. For this purpose, the paper estimates a production function for China's agricultural sector using province level data and compares the estimated marginal product of labor with the corresponding wage of the sector. The results show that the marginal product has been increasing (from below) at a faster pace than the wage, as is predicted by the Lewis model. The results indicate that China as a whole is steadily moving toward the Lewis Turning Point. 相似文献
129.
Paolo Mattana Kazuo Nishimura Tadashi Shigoka 《International Journal of Economic Theory》2009,5(1):25-47
This paper considers an endogenous growth model that belongs to the same family as the Lucas model. In the Lucas model an external effect appears in the physical-goods sector, whereas in our model, it appears in the educational sector. In our model, this external effect yields multiple balanced growth paths. Our model undergoes a homoclinic bifurcation and exhibits global indeterminacy of equilibrium. 相似文献
130.
Kazuo Nishimura 《The Japanese Economic Review》2001,52(1):1-19
Building on recent work on equilibrium growth models with externality, I re-examine earlier results from multi-sector growth models in the continuous-time framework, and study the structural relationship between technology and local dynamics. It is shown that it is very easy to construct large classes of economies that exhibit Hopf bifurcations or indeterminacy with constant returns to scale in multi-sector frameworks.
JEL Classification Numbers: C41, E32, O41. 相似文献
JEL Classification Numbers: C41, E32, O41. 相似文献