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排序方式: 共有295条查询结果,搜索用时 16 毫秒
61.
Karita Kan 《International journal of urban and regional research》2019,43(4):633-648
The urbanization of rural China is increasingly achieved not through physical land grabs but the strategic enrolment of rural communities in the commodification of land via speculative rentiership. This article critically examines this shift in approach from the deployment of extra‐economic force in state‐led land expropriations toward an increasing reliance on market mechanisms in land development. A case study, the construction of a financial district in peri‐urban Guangzhou, shows that the enrolment of village communities is achieved through their cooptation as corporatist market players in regimes of rent‐based accumulation. While the apparent use of voluntaristic market exchange has reduced the need for coercion, however, the commodification process has at the same time created new terrain for dispossessory practices whereby value is illicitly extracted and seized by elites through rent relations. The shift from overt land grabbing to more covert mechanisms of value appropriation has important implications for rural class relations and contentious politics. 相似文献
62.
2008年1月公布的国际内部审计执业准则修正草案与原轨业准则相比,在结构和内容上都有较大变化,有助于内部审计质量的追一步提高。为了更好地理解该准则修正草案,本文对其修正前后内容进行了对比分析,井指出修正意义及影响。 相似文献
63.
某型号固态发射机,要求电源提供20kW的功率,同时满足现代固态发射机对电源的高性能的要求,为此,设计运用5台40V/100A的开关电源模块以并联均流的工作方式为发射机提供电源。本文详细介绍了40V/100A开关电源模块的主要技术指标、系统组成和工作原理,给出了主要元件的设计方法,概述了选择低温器件的思路,最后给出了样机的实验结果。实验结果表明,所提出的电路方案是切实可行的。 相似文献
64.
新入职员工职业适应性是员工职业发展的关键,但目前尚没有研究者探索匹配性因素对新入职员工职业适应性的影响.本研究采用配对数据,探索P-O匹配,P-J匹配,P-G匹配对新入职员工职业适应性的影响机制.对419份样本数据进行分析发现,P-O匹配,P-G匹配对新入职员工职业适应性的影响显著,且P-O匹配对新入职员工职业适应性的影响间接通过P-G匹配来实现;P-J匹配对新入职员工职业适应性的影响不显著.因此,对新入职员工来说,多种匹配因素中对其影响最大、最直接的是员工与团队的匹配,员工与组织的匹配对其适应性产生间接影响,员工与工作的匹配对其适应性影响不明显. 相似文献
65.
Ka Chun Cheung Hok Kan Ling Qihe Tang Sheung Chi Phillip Yam 《Scandinavian actuarial journal》2013,2013(10):837-866
ABSTRACTAs perceived from daily experience together with numerous empirical studies, the multivariate risks demonstrate a strong coherence in the extremal dependence structure especially over the course of financial turmoil or industrial accidents and outbreaks. Under this motivating paradigm, we show the universal asymptotic additivity under upper tail comonotonicity, as the probability level approaching to 1, for Value-at-Risk and Conditional Tail Expectation for a portfolio of fixed number of risks, in which each marginal risk could be any one having a finite endpoint or belonging to one of the three max domains of attraction. Our obtained results do not require the tail equivalence assumption as needed in the existing literature. This resolves a lasting problem in quantitative risk management and covers most distributions commonly encountered in practice. 相似文献
66.
澳门回归后经济迅速复苏,博彩业迅速发展并成为澳门的支柱产业,对于推动澳门经济发展具有举足轻重的作用。博彩业的发展对经济增长影响显著,并且对劳动力市场影响较大。文章选取1999-2010年的数据,对澳门回归之后经济的发展状况,尤其是博彩业对经济和劳动力市场的影响,进行总结及分析。 相似文献
67.
In this paper, we discuss the impact of different formulations of asset pricing models on the outcome of specification tests that are performed using excess returns. We point out that the popular way of specifying the stochastic discount factor (SDF) as a linear function of the factors is problematic because (1) the specification test statistic is not invariant to an affine transformation of the factors, and (2) the SDFs of competing models can have very different means. In contrast, an alternative specification that defines the SDF as a linear function of the de-meaned factors is free from these two problems and is more appropriate for model comparison. In addition, we suggest that a modification of the traditional Hansen–Jagannathan distance (HJ-distance) is needed when we use the de-meaned factors. The modified HJ-distance uses the inverse of the covariance matrix (instead of the second moment matrix) of excess returns as the weighting matrix to aggregate pricing errors. Asymptotic distributions of the modified HJ-distance and of the traditional HJ-distance based on the de-meaned SDF under correctly specified and misspecified models are provided. Finally, we propose a simple methodology for computing the standard errors of the estimated SDF parameters that are robust to model misspecification. We show that failure to take model misspecification into account is likely to understate the standard errors of the estimates of the SDF parameters and lead us to erroneously conclude that certain factors are priced. 相似文献
68.
Sam Hak Kan Tang 《Pacific Economic Review》2019,24(1):158-181
This paper explores the effects of different language home environments provided by English‐speaking and non‐English‐speaking migrant domestic workers (MDW) on Hong Kong children's ability to speak English. Results show that English‐speaking MDW in working‐mother households increase children's likelihood of speaking English by 12% if the mother in the household does not speak English but by 25% if the mother in the household is capable of speaking English. Non‐English‐speaking MDW, however, are found to have little such effects. Age and education are two qualities of English‐speaking MDW that are significantly associated with improvements in children's English‐speaking ability and their English school subject. 相似文献
69.
目前我国的消费市场上针对高龄人群所设计开发的移动信息终端产品非常少,这方面研究也极其有限。通过资料分析以及市场调查等手段对高龄人群的生理和心理两大方面进行研究,其中生理方面包括听力、视力、触觉和肌力,心理方面包括消费心理和认知心理。根据研究结果,分析归纳得出高龄人群移动信息终端产品设计的指导性设计原则。最后,以面向高龄人群的移动信息终端产品设计为实例,验证上述设计原则。 相似文献
70.