对我国水务市场的发展模式的分析探讨

按照国家的发展目标,我国到2010年城市化率将由目前的30%提高到45%.据推算,城市化水平每提高一个百分点,城市人口将增长1000万人,由此将新增大量的水务设施需求.     

快速城市化下的城市生态系统失衡及其对策

1978年,我国的城市化率为17.92%,2011年我国的城市化率为51.27%。然而,我国城市化的快速发展也造成了我国城市生态系统的失衡,导致了城市生态系统的恶化。本文分析了我国城市化的发展现状及快速城市化进程中城市生态系统失衡的原因,提出了应对城市生态系统失衡的措施。     

城市化对县域经济发展的影响——以云南省为例

城市化与经济发展之间存在着密切的联系,但是两者间的影响机制却颇有争议,分歧主要源于数据差异,也与地理单元和空间密切相关。以云南省县域经济为研究对象,探讨了西部民族地区城市化与经济增长之间的关系。通过采用空间经济计量学的分析框架,构建了以城市和距离为基本因素的区域分类体系,并利用面板数据回归分析了城市化与经济发展之间的关系。分析表明,县域经济的增长与城市化之间存在着显著的正相关,但是在不同的县域,两者的关系有显著的差异;只有当城市化率达到21.5%,城市化才会显著促进经济增长;仅有昆明市及少数较大州级市及周边县域,它们的城市化才显著地促进了经济增长。     

高密集连绵网络状大都市地区的新形态--珠江三角洲地区城市化的结构

中国城市化发展,在近十几年间,增长之迅速是相当惊人的.1990年,全国总人口为11.4亿,城镇人口为3.01亿,城市化率为26.4%;至2001年,全国总人口为12.6亿,城镇人口为4.8亿,城市化率达37.6%.     

科学发展轨道交通 走新型城市化道路

城市是人类政治、经济和社会生活的中心。改革开放30年来,中国城市化程度快速发展,城市化率由1979年17．9％,提高到2007年45％左右。有关专家预计：到21世纪中叶,中国城市化率将达到75％左右。城市化的推进使城市成为物流、人流、信息流的主要结点和中国经济增长的主要驱动因素之一。     

城市化大潮中的“三农”问题浅议

城市化是国家现代化的重要标志,是经济社会发展的必然趋势,也是广大农民满怀憧憬和希望向城市转移的过程。我国的城市化进程符合城市化发展型曲线规律。改革开放初期的1978年,我国总人口9．62亿,城市人口1．72亿,城市化率17．92％。1996年,我国总人口12．24亿,城市人口3．73亿,城市化率30．48％。自此,     

城市化:干得好成欧美 干不好成拉美

改革开放以来,在经济发展拉动及政策的推动下,我国城市化快速发展,城市化率从1978年的17.9%增加到2012年的52.6%,已经超过了世界平均水平。在快速推进的同时,也出现许多困扰发展、值得关注的重大问题,中国的城市化目前已     

我国人口流动、城市化与工业化的关系分析

以常住、户籍人口为基础计算人口流动率,基于非农产值及其就业所占比重构建工业化衡量指标,测度2000—2012年我国人口流动、城市化与工业化的变化趋势,并建立面板协整模型对三者之间的长期均衡关系进行估计和检验。结果显示:从纵向看,我国人口流动、城市化与工业化均呈不断上升态势,从横向看,区域差异非常明显;流动人口与城市化、城市化与工业化之间存在长期稳定的协整关系,流动人口增加可提高城市化水平,城市化水平的提高又对工业化有着显著正向作用;人口流动仅仅是提高了"城市化率"这一指标,真正的"人的城市化"水平有待提高;各地区的城市化与工业化偏差在一定程度上解释了城市化对工业化的影响存在区域差异这一现象。     

浅谈城市房地产开发速度的管理——以南京市为例

一、问题的提出 目前,我国城市化率已超过40%,正处于世界公认的城市化水平的高速发展阶段.按2020年建成小康社会的目标,城市化率将达55%～60%,那时我国城镇居民将增加到8～8.5亿,新增3亿多.假定新增人口中有60%需要解决住房,以人均27平方米计算,到2020年住房总需求约为:3×0.6×27=48.6亿平方米.城市化进程不断拉动住房需求的增长,城市用地供需矛盾不断加深.当前我国房地产市场的法规建设还有待完善,需要不断加强房地产开发中的土地管理,提高土地利用率,缓解城市用地压力.     

对欠发达地区小城镇房地产开发的思考

根据联合国组织的调查统计分析，当一个国家的人口城市化率超过30％以后，城市化的进程将会明显加快，直至50％以后才会放慢。当前我国的人口城市化率大约为35％，正处于城市化进程迅速发展的重要阶段。随着城市化进程的逐渐加快，小城镇正在发生急剧的变化，特别是小城镇房地产业     

The Effect of Urbanization and Industrialization on Energy Use in Emerging Economies: Implications for Sustainable Development

This article investigates the impact of two important socio‐economic variables—urbanization and industrialization—on energy consumption in a panel of emerging economies. The results indicate that income increases energy consumption in both the long run and the short run. In the long run, urbanization decreases energy consumption, while industrialization increases it. Long‐run dynamics are important as evidenced by the estimated coefficient on the error correction term. These results have implications for sustainable development. Economic growth policies designed to increase income and industrialization will increase energy consumption. Since most energy needs in emerging economies are currently met by the burning of fossil fuels, economic growth and industrialization policies will be at odds with sustainable development.     

消费率与投资率对我国城市化率的影响

从需求角度出发,运用协整、格兰杰因果检验和向量自回归模型,采用1978—2009年的时间序列数据,分析居民消费率、政府消费率及投资率对我国城市化的效应。研究结果表明:我国居民消费率、政府消费率和投资率与城市化率之间存在长期均衡关系,居民消费率对城市化率具有单向因果关系,居民消费率、政府消费率和投资率对城市化率均有正向效应。     

环境约束条件下中国城市经济效率测度

利用2005-2008年期间28个主要城市的面板数据,实证测度了DEA方法中CCR模型与SBM模型下的城市经济效率,并进行了各城市的区域比较分析。在此基础上,运用面板数据模型研究发现,城市化率、市辖区面积和经济结构对城市经济效率起抑制作用,外商投资则起促进作用。最后,提出了相关的政策建议。     

The effects of regional trade integration and renewable energy transition on environmental quality: Evidence from South Asian neighbors

Improving environmental quality across South Asia has become one of the utmost important policy agendas of the concerned governments. The susceptibility of the majority of the South Asian countries to multifaceted climate change adversities has motivated the need to identify the factors that can function to ensure environmental sustainability across South Asia. Although several studies have highlighted the importance of globalization and cleaner energy use in tackling the environmental degradaton issues of the South Asian countries, very little is known regarding the impacts of regional trade and renewable energy transition in this regard. Hence, this paper aims to scrutinize the effects of enhancing intra-regional trade integration and undergoing renewable energy transition on per capita carbon dioxide emissions in the context of six South Asian nations between 1990 and 2016. The results from the recently developed cross-sectionally augmented autoregressive distributed lag regression approach, accounting for cross-sectional dependency and slope heterogeneity issues, reveal that facilitating trade among the South Asian neighbors reduces carbon emissions in both the short and long run. Moreover, enhancing the share of renewable energy in the aggregate energy consumption figures is also found to reduce carbon dioxide emissions in both the short and long run. Furthermore, both regional trade integration and renewable energy transition are found to jointly reduce carbon dioxide emissions in South Asia. The results also authenticate the existence of the environmental Kuznets curve hypothesis, while financial development and urbanization are found to boost carbon dioxide emissions only in the long run.     

中国城镇化进程对房地产价格影响的实证分析

使用城镇化率、流动人口占比、城镇居民人均总收入和房屋竣工面积4个变量指标来反映我国城镇化进程,运用随机效应面板数据模型,对比分析2005—2013年全国、较发达省份和发展中省份的城镇化进程对房地产价格的影响。实证研究表明：城镇化率提高、流动人口占比增加,对房价的影响实际非常有限;城镇居民人均总收入水平的增加才是引起房价上涨的最重要因素;房屋竣工面积的扩大则引起房价的下跌。区域对比研究还发现,由于城镇化进程不同,相比较发达省份,发展中省份的外来务工人员产生了更有效的住房需求。     

Modeling the dynamic linkage between financial development,energy innovation,and environmental quality: Does globalization matter?

In the modern era of the wave of globalization, financial development is leading toward a higher rate of economic expansion and promoting energy innovation around the globe. Nevertheless, environmental impact of financial development has preoccupied government officials to circumvent adverse impact on environmental quality. Thus, this paper examines the nexus between financial development, economic growth, energy innovation, and environmental pollution for the period of 1990–2017 for the panel of Organization for Economic Cooperation and Development (OECD) countries. To obtain robust and unbiased results, this study utilizes Pooled Mean Group Autoregressive Distributed Lag (PMG/ARDL) estimator that counters the issue of heterogeneity and cross-sectional dependence. Empirical evidence suggests that financial development promotes energy innovation and improves environmental quality. Globalization also has a long-term relationship with energy innovation and reduces greenhouse gas (GHG) emissions. Moreover, findings validate the environmental Kuznets curve for OECD countries in the significance of financial development, globalization, and energy innovation.     

京津冀环境可持续发展的影响因素

随着京津冀经济的发展,对环境造成的破坏日益严重。论文在环境库兹涅茨曲线的理论基础上分析了环境可持续发展的影响因素,得出环境可持续发展的主要影响因素有经济发展水平、产业结构、能源消费结构等,最后提出了一些关于环境治理问题的政策建议。     

Change point estimation in panel data with time-varying individual effects

Existing panel data methods remove unobserved individual effects before change point estimation through data transformations such as first-differencing. In this paper, we show that multiple change points can be consistently estimated in short panels via ordinary least squares. Since no data variation is removed before change point estimation, our method has better small-sample properties compared to first-differencing methods. We also propose two tests that identify whether the change points found by our method originate in the slope parameters or in the covariance of the regressors with individual effects. We illustrate our method via modeling the environmental Kuznets curve and the US house price expectations after the financial crisis.     

Challenges of green consumption in China: a household energy use perspective

To encourage economic progress, China's government has been pushing domestic consumption as a substitute for its waning growth in investment and exports. It has also been promoting greener policies for growth, of which green consumerism is a prime component. By examining the economy through the lens of household energy consumption, this paper lays out the challenges the nation must overcome through green consumption. We explore the trends in household energy use and decompose energy used indirectly by households into six factors: changes in total population, urbanization rate, energy efficiency, interindustry input mix, household consumption preferences, and per capita household consumption level. Doing so yields insights into how progress in industrial technology, household income, urbanization, and lifestyles has affected energy use in the production of goods and services used by households. It also offers policy suggestions on how China might guide lifestyle changes to effect green consumption.     

城市化的历史趋势与我国城镇化新政

城市化的历史必然性不仅在于配第一克拉克定理、库兹涅茨的劳动力和国民收入在产业间分布结构变动理论所揭示的农业的小部门化趋势,还在于“发展极”理论、“增长点”理论、产业集群理论、区位理论和主导产业联系效应理论等所揭示的城市强大的经济功能。现阶段,我国正处于城镇化加速期,中共中央十八届三中全会提出了走中国特色的城镇化道路、以人为核心的城镇化、城镇化与新农村建设协调推进等一系列城镇化新政,这对于我国城镇化的建设具有重大意义。