Mechanism of urban agglomeration and FAR regulation

城市群机制与容积率调控

• 批准号: 21730190
• 负责人: KARATO Koji
• 金额: $ 1.33万
• 依托单位: University of Toyama
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21730190/
• 关键词: 集積の経済; 土地利用変化; 都市交通; 容積率規制

The purpose of this research is to find the mechanism of urban agglomeration based on micro-data in view of the interdependence of various firms and transportation time cost such as face-to-face communication among firms. Firstly, I focus on the speed-density relationship of toll-free roads of the entire city. I estimate this relationship using the time-series cross-section data of several toll-free roads in the twenty-three ward district of Tokyo. Each road section, which is a cross-section observation unit, has a spatial linkage to other sections. Hence this data is likely to have spatial autocorrelation of the disturbances across cross-sectional units. Secondly, I defined economic conditions for the redevelopment/conversion of offices into housing and estimate the redevelopment/conversion probability under the conditions. I found that if random effects are used to control for individual characteristics of buildings, the redevelopment probability rises significantly when profit from land after redevelopment is expected to exceed that from present land uses. This increase is larger in the central part of a city.

本研究的目的是从企业间的相互依赖性和企业间的面对面交流等运输时间成本的角度，基于微观数据来探讨城市集聚的机制。首先，重点研究了全市免费公路的速度-密度关系。我估计这种关系使用的时间序列横截面数据的几个免费道路在23区的东京。每个路段是一个横截面观测单元，与其他路段具有空间联系。因此，该数据很可能具有跨横截面单元的干扰的空间自相关。其次，我定义了经济条件的办公室改建/转换成住房和估计的条件下的重建/转换的概率。我发现，如果使用随机效应来控制建筑物的个体特征，当重建后的土地利润预计将超过目前的土地用途时，重建概率显着上升。这种增长在城市的中心部分更大。

项目成果

The Speed-Density Relationship: Road Traffic Flow Analysis with Spatial Panel Data

速度-密度关系：利用空间面板数据进行道路交通流分析

• 发表时间: 2010
• 期刊: University of Toyama Working Paper No.246
• 作者: K. KARATO;N. SATO;T. HATTA
• 通讯作者: T. HATTA

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重复销售房地产价格指数的聚合偏差

• 发表时间: 2012
• 期刊: 日本経済研究
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• 通讯作者: 中川雅之

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• 期刊: University of Toyama Working Paper No.256
• 作者: K. Karato;O. Movshuk ;C. Shimizu
• 通讯作者: C. Shimizu

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