建设功能性城市
J Vernon Henderson1, Anthony J Venables2, Tanner Regan3
1London School of Economics and Political Science, London WC2A 2AE, UK. j.v.henderson@lse.ac.uk.
概括
非洲城市面临着土地利用的挑战, 在内罗毕
科学领域:
- 城市规划和发展
- 城市经济学
- 空间分析
背景情况:
- 非洲城市的特点通常是土地使用效率低下和连接不良.
- 在弱势的制度框架下建造耐用建筑的决策有助于这些效率低下.
- 现有的模式往往忽视了贫民窟住房和城市重建的动态.
研究的目的:
- 模拟城市土地使用的动态,包括正式和贫民窟住房,以及重建到更高的建筑高度.
- 使用独特的高空间分辨率数据集分析内罗毕的城市发展.
- 确定内罗毕土地使用和住房量分配效率低下的因素.
主要方法:
- 开发一个新的城市土地使用动态模型.
- 用一个独特的高空间分辨率数据集来描述内罗毕的城市发展.
- 与机构实力相关的住房数量和土地使用模式的分析.
主要成果:
- 奈洛比大部分城市都没有足够的建筑.
- 城市中心附近的贫民窟人口很少.
- 腐败的机构阻碍了中央地区的土地转化为正式部门的使用.
结论:
- 弱势的机构和土地使用政策对非洲城市发展产生重大影响.
- 奈洛比的城市结构的特点是空间效率低下,
- 有针对性的制度改革对于优化城市土地利用和住房发展至关重要.
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