三峡工程移民战略与目标体系

三峡工程移民是项复杂的社会系统工程.必须有正确的移民战略作指导,并制定出移民的目标体系和指标标准。作为移民实施的依据。三峡工程移民的根本出路在于实现三峡库区的持续发展。     

西方城市更新发展历程和政策演变

西方城市更新大致经历了"清除贫民窟-福利色彩社区更新-市场导向旧城再开发-社区综合复兴"四个发展阶段,各阶段更新政策的历史发展背景、参与对象、更新途径和更新结果各异。通过比较不同阶段城市更新特征看出,西方城市更新理论实现从形体主义规划思想向人本主义规划思想的转变,城市更新发展理念在问题导向下不断发展成熟,城市更新运作模式体现政府、私有部门和社区居民的多方参与倾向。对我国城市更新的启示包括:城市更新政策演变与城市发展过程的关系,城市更新关注对象的讨论,以及政府作用和城市更新多方参与者的利益制衡。     

旅游城市住宅市场负外部性及其矫正策略研究

旅游业与包括住宅产业在内的房地产业之间存在着显著的正外部效应。这使得旅游房地产成为旅游城市发展经济的一个重要推动力。然而,随着国内旅游房地产开发的热度不断提升,旅游业对旅游城市住宅市场的负外部效应也日益凸显。西方学者的研究表明这些负外部效应主要源自为发展旅游业而实施的较严格的控制性规划以及旅游地产开发带来的第二住宅现象。特别是第二住宅已经成为导致我国部分旅游城市住宅市场失衡的重要诱因。为了保障本地居民的居住需求,促进旅游业与旅游城市经济、社会的和谐和可持续发展,政府应当采取必要的手段矫正旅游房地产开发对本地住宅市场的负外部性。     

人口的区位过程与城市的分形形态——关于城市生长的一个理论探讨

基于中心地假设,从城市人口分布的Sherratt模型和Naroll Bertalanffy的城乡人口异速生长关系出发导出关于人口分布空间动力学和城市扩展时空过程的数学模型,然后借助Batty等关于城市生长的DLA -DBM模拟结果证明人口的区位选择过程与城市的分形形态存在着内在关系。文章提出了关于区域人口运动和城市形态演化的三个基本原理:信息火商增原理、异速生长原理和Logistic发展原理。     

双核结构模式与淮安区域发展

对于一个理论模式,仅仅限于现象发现及机理分析是远远不够的,将之运用于区域空间结构的实证分析中并能为其未来空间结构演化提供科学决策依据,才是理论模式提出的根本目的。江苏省由于位于沿海和沿江的交汇地带,故成为双核结构模式用于指导城市空间结构演化的最为理想的区域。本文通过对淮安市行政区划调整前后双核结构模式不同运用效果的分析,对未来该市组成淮安-连云港双核结构模式的必要性与可能性进行了深入探讨。     

基于非线性动力学模式的城市道路与人口的平衡分析

城市道路的发展状况已经成为制约城市社会经济发展的"瓶颈",许多地区采取了各种各样的措施来缓解交通压力,但是收效甚微,关键在于我们没有从根本上认识产生这一现象的根源。本文通过建立城市道路与人口的非线性动力学模式,分析城市道路与人口之间的关系。     

TAX AND FINANCIAL POLICIES FOR THE HOUSING MARKET OF THE 1980s

The imbalance in the age structure of the U.S. population has created conditions for heavy demand and consequently pressures for rising relative prices in the market for owner-occupied single family housing in the 1980s and 1990s. Working in reverse, the unbalanced demographics may well lead to the falling relative price of housing around 2010, the period in which the baby boom generation will be retiring and may wish to liquidate its housing investment. Changes in housing policies during the 1980s could help offset the anticipated costs associated with the swings in demand pressures in the housing market over the next forty years. Current favorable tax and financial policies toward homeownership encourage both the overconsumption of housing and the overinvestment in housing as a retirement asset. Tax and financial policies could be changed to neutralize the attractiveness of owner-occupied single family units relative to alternative types of housing units. To avoid overbuilding for the future, policies could encourage the efficient use of existing housing resources through intergenerational turnover, upgrading of units and neighborhood improvement, and condominium-style conversion of multiunit structures from rental to owner-occupancy. Finally, tax and financial policies toward investment could encourage the baby boom generation to diversify its retirement assets outside of housing.     

美国城市示范运动及其启示研究

在当代世界各国的城市化进程中,城市的更新改造和发展以及相关问题和矛盾的解决都是要面临的重要课题。示范城市运动是美国大规模城市更新运动的重要阶段,也是轰轰烈烈的"伟大社会"改革中后期重要的战略转移。本文选取该项运动为研究主题,回顾了其发生背景、发展过程,分析了其正反两方面的经验,以期为中国在进入改革开放关键时期构建和谐社会进程中更好地解决城市问题提供一个有价值的参照。     

CREATIVE CITIES: THE CULTURAL INDUSTRIES AND THE CREATIVE CLASS

The aim of this article is to critically examine the notion that the creative class may or may not play as a causal mechanism of urban regeneration. I begin with a review of Florida's argument focusing on the conceptual and theoretical underpinnings. The second section develops a critique of the relationship between the creative class and growth. This is followed by an attempt to clarify the relationship between the concepts of creativity, culture and the creative industries. Finally, I suggest that policy-makers may achieve more successful regeneration outcomes if they attend to the cultural industries as an object that links production and consumption, manufacturing and service. Such a notion is more useful in interpreting and understanding the significant role of cultural production in contemporary cities, and what relation it has to growth.     

圆形城市商品销售的空间受限模型

本文首先提出商品价格空间分布的分形函数,以此为基础导出商品销售的空间受限模型,该模型揭示了人地非线性相关的某些机制,并为企业选择投资区位提供了分析方法。     

OPENING UP THE "BLACK BOX" IN EVALUATING NEIGHBORHOOD PROBLEMS: THE IMPLEMENTATION PROCESS IN ISRAEL'S PROJECT RENEWAL

How successful is a particular neighborhood program? This question poses a special challenge for evaluation research. This paper demonstrates how implementation analysis can be utilized to reinforce the evaluation endeavor. Israel's Project Renewal is the laboratory. As a large-scale national program that encompasses most towns in Israel, it provides what few programs can: the possibility of studying a large enough sample of neighborhoods to cover diversity, yet in the context of a small, unitary-system country that provides the canopy of shared national policy, institutional structure and administrative norms.     

KLAVS AND THE KEPHALLENIA PROJECT

Klavs Randsborg undertook major and influential research in many epochs and countries. The present article focuses on his contribution to the landscape and town‐scape history of Greece through his impressive and thorough researches on the Ionian island of Kephallenia.     

THE COMPLEMENTARITY BETWEEN CITIES AND SKILLS*

ABSTRACT There is a strong connection between per‐worker productivity and metropolitan area population, which is commonly interpreted as evidence for the existence of agglomeration economies. This correlation is particularly strong in cities with higher levels of skill and virtually nonexistent in less skilled metropolitan areas. This fact is particularly compatible with the view that urban density is important because proximity spreads knowledge, which either makes workers more skilled or entrepreneurs more productive. Bigger cities certainly attract more skilled workers, and there is some evidence suggesting that human capital accumulates more quickly in urban areas.     

A CONSOLIDATED MODEL OF MONOCENTRIC CITIES AND AN EMPIRICAL ANALYSIS OF URBAN SCALES AND LAND PRICES IN CHINESE CITIES*

ABSTRACT Motivated by the newly established Chinese urban land markets, we develop a theoretical model that unifies the “closed” and “open” features of the classical monocentric city model. The model features interactions between permanent urban residents and migrants and exhibits a distinctive equilibrium pattern. The theoretical model is tested empirically, using recent Chinese city‐level data. The empirical findings indicate that market forces now play an important role in urban expansion and land price formation, while various forms of government planning are still influential. Our results show that migrants exert a less pronounced impact than the classical “open” city model has suggested.