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151.
Local influence analysis for Poisson autoregression with an application to stock transaction data 下载免费PDF全文
In statistical diagnostics and sensitivity analysis, the local influence method plays an important role and has certain advantages over other methods in several situations. In this paper, we use this method to study time series of count data when employing a Poisson autoregressive model. We consider case‐weights, scale, data, and additive perturbation schemes to obtain their corresponding vectors and matrices of derivatives for the measures of slope and normal curvatures. Based on the curvature diagnostics, we take a stepwise local influence approach to deal with data with possible masking effects. Finally, our established results are illustrated to be effective by analyzing a stock transactions data set. 相似文献
152.
153.
伴随着市场经济的发展成熟,市场竞争日益加剧和激烈,而作为市场主体的企业欲在激烈的市场竞争中生存和发展,一般通过内部扩充和外部扩张而运行,而并购则是企业外部扩张最迅速、最典型、最重要的方式。而全球经济一体化的加速发展,中国的企业并购也愈来愈频繁。本文拟对企业并购传统会计处理方法及其新理论作初步的探讨。 相似文献
154.
155.
Green process innovation has been seen as a key strategy for manufacturing firms to pursue sustainable development. Yet, how to help manufacturing firms eliminate bottlenecks when implementing green process innovation remains poorly understood. To address this issue, the current study, which is anchored in the government incentive perspective, examines the drivers, contingent conditions, and consequences of green process innovation by using the panel data of manufacturing‐listed firms in China from 2013 to 2017. The results present valuable findings: (a) green subsidies are positively related to two dimensions of green process innovation, namely, cleaner production technology and end‐of‐pipe technology; (b) both cleaner production technology and end‐of‐pipe technology are positively related to firms' green image; (c) a firm's cleaner production technology mediates the relationship between green subsidies and its green image; and (d) higher absorptive capacity strengthens the indirect effect of green subsidies on a firm's green image via cleaner production technology. Our results provide meaningful theoretical and practical implications by revealing the benefits of green subsidies through green process innovation by leveraging levels of absorptive capacity. 相似文献
156.
基于生命周期的虚拟企业知识活动分析及其伙伴选择过程研究 总被引:3,自引:0,他引:3
随着新经济的到来,知识越来越成为企业快速响应市场机遇和获取竞争优势的最短缺资源。而企业自身知识资源的有限性使企业越来越多地采用虚拟企业的高级形态——知识联盟型虚拟企业来弥补企业知识资源的不足以快速响应变化的市场需求。首先对知识联盟型虚拟企业的知识缺口类型进行研究和划分,然后分析并描述虚拟企业生命周期各阶段的知识活动;在此基础之上,探讨虚拟企业组建阶段考虑知识要素的伙伴选择过程;最后,针对不同的知识缺口,提出伙伴选择过程的评价指标体系设计中应考虑的知识性因素。 相似文献
157.
本文针对目前财务报告改进讨论中存在没有考虑会计要素影响的缺陷,提出资产要素的研究应成为财务报告改进的起点。认为在资产要素的研究中,应充分考虑企业价值创造的充分条件——企业能力。在引入企业能力对会计资产进行修正的基础上,提出了能力资产概念,同时还分析了能力资产的披露模式。 相似文献
158.
We here critique the articles by Dmitruk & Koshevoy (1991, J Econ Theory 55:121–144) and by Bol (1986, J Econ Theory 38:380–385)
by showing how to solve the examples they erected to show the non-existence of functions for evaluating performance efficiencies
in DEA. We also show that functions satisfying these criteria—and other important criteria as well—were already available
prior to the publications of D&K and by Bol and have since been greatly extended to increase the power and scope of DEA.
相似文献
J. ZhuEmail: |
159.
Income, income inequality, and health: Evidence from China 总被引:4,自引:0,他引:4
This paper tests using survey data from China whether individual health is associated with income and community-level income inequality. Although poor health and high inequality are key features of many developing countries, most of the earlier literature has drawn on data from developed countries in studying the association between the two. We find that self-reported health status increases with per capita income, but at a decreasing rate. Controlling for per capita income, we find an inverted-U association between self-reported health status and income inequality, which suggests that high inequality in a community poses threats to health. We also find that high inequality increases the probability of health-compromising behavior such as smoking and alcohol consumption. Most of our findings are robust to different measures of health status and income inequality. Journal of Comparative Economics 34 (4) (2006) 668–693. 相似文献
160.
长三角地区能源消耗现状评价和"十一五"能源战略探讨 总被引:2,自引:0,他引:2
本文采用单位GDP能耗、单位GDF电耗和单位工业增加值能耗等三项指标来评价长三角地区能源消耗现状,并从产业结构、科技投入和能源消费构成情况等角度来分析长三角地区能耗现状的成因,最后以此为基础探讨其"十一五"期间应采取的能源战略. 相似文献