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1.
Maxwell Hartt Jason Hackworth 《International journal of urban and regional research》2020,44(6):1083-1095
Household size decline accounts for a substantial portion of population loss in shrinking cities, yet little research has focused on it. Much of the literature presents a simple growth/decline binary that is largely determined via population figures. In this paper, we highlight the importance and assess the impact of household size changes on population decline, and determine what types of household size declines are more acute in shrinking cities than other locales. We find that elderly households and households with school-aged children are under-represented in shrinking cities, while households with pre-school-aged children are over-represented. More tellingly, we find the biggest source of household-related loss in shrinking cities to be the growth of single-person households now living in houses that were once home to entire families. These findings puncture the binary on which much of the shrinking cities discourse is based. The population dynamics of most cities are subtler than either practitioners or critical scholars assert. We argue that plans and development strategies for shrinking cities should reflect a range of demographic changes, including outmigration and internal household restructuring. 相似文献
2.
Numerous countries and regions face soil fertility decline and heavy metal pollution, and China implements a policy of remediation during fallow (PRF) to deal with such challenges. In this study, we examine the evolution of PRF and surveys of farmers’ attitudes in China. We present suggestions which can be used as reference for other countries and regions. The Chinese government implemented the policy of remediation during production (PRP) to control the heavy metal pollution of land in 2014. The effect was unsatisfactory due to the lack of cooperation amongst farmers. Therefore, the Chinese government implemented PRF in 2016. Our investigation of 247 farmers shows that farmers’ comprehensive assessment of PRF is positively influenced by the cognition of government implementation, the cognition of policy function and the evaluation of value perception, and the PRF still faces several problems, such as low cognitive level of policy function, incomplete regulations of supervision and poor supporting system. Hence, we suggest that government should educate and train farmers, improve the supervision and set up the supporting system of PRF. 相似文献
3.
自上世纪七十年代以来,学界对企业业绩衰退后的反转提出了若干理论模型,通过对这些反转理论模型进行梳理,明确几个主要模型如Robbins和Pearce的模型、Arogyaswamy等的模型、Lohrke等的模型、Trahms等模型之间的联系和区别,揭示它们的演化过程,从而提出一个再扩展的模型,以期为企业反转工作提供一个基本的思考逻辑和行动的方向性指导. 相似文献
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Extreme land abandonment is one of the most visible expressions of urban decline. Conventional theory emphasizes housing lifecycle processes, municipal fiscal challenges and deindustrialization to explain its prevalence. Empirically however, these factors are not strongly associated with the most extreme instances of land abandonment in the American Rust Belt. Race, by contrast, is strongly associated with these patterns, yet there is little mention of it in conventional theory. This article draws on group threat theory to explain how the construction of Blackness as a threat to white property, power and political influence, has propelled the production of extreme land abandonment. The constructed threat has translated into a sustained suppression of demand and capital for overwhelmingly black neighborhoods. These forces operate both independently and as an accelerant for other abandonment drivers. 相似文献
6.
建筑物一般会产生一定的沉降,过大的不均匀沉降易使上部结构开裂与破坏,严重影响建筑物的使用。本文主要阐述地基不均匀沉降的危害、原因以及防治措施。 相似文献
7.
We develop and test an integrative model that examines the fit between compensation schemes, executives' characteristics, and situational factors. We propose that a fit among all three factors is crucial to motivate desirable managerial behaviors. Using a specially designed management simulation, our study demonstrates that the effectiveness of incentive compensation to motivate managerial behaviors depends on executives' core self-evaluation and firm performance. Our results show that, relative to fixed salary compensation, executives with higher core self-evaluation respond to incentive compensation with greater perseverance, competitive strategy focus, ethical behavior, and strategic risk taking during organizational decline. However, these interaction effects are not present during organizational growth. Our theory and empirical evidence provide significant insights into the complex relationships among compensation schemes, executives' characteristics, firm performance, and managerial behaviors. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
8.
This paper provides empirical and conceptual insights in analysing the factors that determine the prices of farmland within Protected Natural Areas that are close to densely populated urban areas, the changes in land use experiences as well as the additional control policies needed to curb this unsustainable trend.The Urdaibai Biosphere Reserve nearby the metropolitan area of Bilbao (Basque Country, Spain) is the case study considered and its bordering non-protected rural area is used as a reference for comparison. A spatial hedonic farmland price model is estimated and the willingness of land purchasers to pay for different farmland characteristics quantified both inside and outside the Urdaibai Biosphere Reserve. The main results are that: (1) residential development is taking place in all categories of farmland, (2) aside from neighbouring prices, farmland prices depend on different factors depending on whether the marketed plots stand inside or outside the Protected Natural Area, (3) the “reserve effect” on land prices is less powerful than the “proximity to the metropolitan area (and motorway) effect” observed from villages of the non-protected area located in the 3rd crown of Bilbao, (4) the reasons for farmers non-compliance with policy regulations is the necessary knowledge base for the farmland conservation policy design and (5) in the light of the results, three development-control policy instruments such as Payments for Ecosystem Services, Tradable Planning Permits and development-taxes are discussed considering the factors that could improve compliance. 相似文献
9.
自我实施和集体主义惩戒机制是晋商信用制度的基本模式,信用制度及其机制则是晋商兴衰的主要原因之一。从历史制度分析方法的视角,对晋商"兴"与"衰"的过程及其互动机制进行了一种全新的解析,探讨了晋商信用机制与晋商兴衰的互动关系。 相似文献
10.
近20年我国青少年学生体质健康状况不容乐观。随着身高、体重、胸围等形态发育指标的持续增长,肺活量、速度、力量等体能素质却在持续下降。很多专家认为,青少年体质下降的根本原因在于高考指挥棒的高压下,学校和学生片面注重文化课,忽视体育活动造成的。针对这一现象,本文从中学体育课结构、社会环境等方面,探析青少年体育体质下降的因素及解决措施。 相似文献