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1.
OLESYA GRISHCHENKO SARAH MOUABBI JEAN‐PAUL RENNE 《Journal of Money, Credit and Banking》2019,51(5):1053-1096
We use several U.S. and euro‐area surveys of professional forecasters to estimate a dynamic factor model of inflation featuring time‐varying uncertainty. We obtain survey‐consistent distributions of future inflation at any horizon, both in the U.S. and the euro area. Equipped with this model, we propose a novel measure of the anchoring of inflation expectations that accounts for inflation uncertainty. Our results suggest that following the Great Recession, inflation anchoring improved in the United States, while mild de‐anchoring occurred in the euro area. As of our sample end, both areas appear to be almost equally anchored. 相似文献
2.
Shopping with companions plays a crucial role in daily consumer activities. However, only a few studies have explored the influence of this factor on consumers’ patience. We conducted four studies, including two field studies, to investigate the effects of shopping with companions (e.g., friends and peers) on purchase decisions. We found that consumers exerted greater effort when shopping with friends and peers by spending more money and being willing to wait longer for a product. This effect could be explained by three mediators: positive emotions, negative emotions, and perceived value, in which the hedonic and social value, unlike the utilitarian value, played essential mediating roles. This study elucidates the underlying psychological processes involved in purchase decisions shaped by companions. Retailers should encourage shopping with companions to increase sales and customer retention. 相似文献
3.
The panel data analysis points to economic and social factors contributing to NOx, PM2.5, PM10, SO2, and VOCs in China’s 31 provinces. The spatial correlation analysis using Global and Local Moran’s I values indicates the existence of a significant and positive spatial autocorrelation with respect to environment, economy and energy, and the high spatial correlation is evident in the eastern region, covering the northern part of Yangtze River Delta, Huaihai Economic Zone, and the lower reaches of the Yellow River Economic Belt. The empirical estimation is performed through spatial lag and spatial Durbin models. All emitted air pollutants in 31 provinces have significant spatial dependence and strong spillover effects. There is an inverted U-shaped relationship between emitted air pollutants (NOx, PM10, VOCs, and PM2.5) and per capita GDP, which follows the EKC hypothesis. The relationship between SO2 and per capita GDP does not follow the EKC hypothesis. There is a positive relationship between pollutant emissions and coal consumption, which is consistent with current studies for various countries like Canada, Denmark, UK and US and regions like New York State. However, the effects of science and technology investment on air pollutants are mostly positive, which is not as policy expected. 相似文献
4.
The credit risk contagion of Internet peer-to-peer (P2P) lending platforms is an important part of Internet financial risk management and supervision. This study analyzes the contagion path of credit risk in Internet P2P lending. Based on complex network theory and the theory of infectious disease dynamics, the characteristics of Internet P2P lending development are combined to construct a SEIR model of credit risk transmission among Internet P2P lending platforms with time lag, and the robustness of the model is analyzed and proven. The influence of platform correlations, the susceptible immune rate, the platform elimination rate, contagion latency, the saturation coefficient, and the susceptibility input rate on credit risk contagion behavior among Internet P2P lending platforms is analyzed, using the equilibrium point and threshold value. The impact of each variable is analyzed by simulation. Corresponding countermeasures and suggestions are proposed to prevent and control credit risk contagion among these platforms. 相似文献
5.
A play-the-winner-type urn design with reduced variability 总被引:1,自引:0,他引:1
Anastasia Ivanova 《Metrika》2003,58(1):1-13
We propose a new adaptive allocation rule, the drop-the-loser, that randomizes subjects in the course of a trial comparing
treatments with dichotomous outcomes. The rule tends to assign more patients to better treatments with the same limiting proportion
as the randomized play-the-winner rule. The new design has significantly less variable allocation proportion than the randomized
play-the-winner rule. Decrease in variability translates into a gain in statistical power. For some values of success probabilities
the drop-the-loser rule has a double advantage over conventional equal allocation in that it has better power and assigns
more subjects to the better treatment.
Acknowledgments. I thank Stephen Durham, the associate editor, and the referees for their helpful suggestions. 相似文献
6.
供应链构建的机制分析 总被引:2,自引:2,他引:0
介绍了供应链的概念,交易成本经济学的基本理论,并把二者结合从经济学的角度分析了供应链构建的经济学机理,为供应链理论的发展提供了一个新的研究方向。 相似文献
7.
夏冬星 《安徽工业大学学报(社会科学版)》2002,19(2):132-133
新生具有自豪感减退、心态失衡、适应环境的能力差、学习上的盲目性等特点.做好新生工作必须具体分析、因材施教,深入了解、勤于疏导,健全制度、规范管理. 相似文献
8.
铁路运输客货管理机制的探讨 总被引:5,自引:2,他引:3
随着我国加入WTO和铁路全面参与运输市场竞争,必须尽快构建适应市场需求的铁路客货管理的动力机制和运作机制,以激发企业和员工搞好营销的内在活力,同时要构建铁路客运和货运的服务质量评价指标,以及相应的质量监督和考核管理办法,做到各项管理活而不乱、管而不死,使铁路客货运输服务质量不断提高,以满足不断增长的经济和社会发展需要。 相似文献
9.
发展中枢辐射铁路物流的探讨 总被引:1,自引:0,他引:1
传统的铁路物流组织模式有其局限性,已难以满足市场对快速运输的需求,铁路企业的改革势在必行。在阐述中枢辐射铁路物流表现形式的基础上,分析铁路企业发展中枢辐射铁路物流的必要性和可行性及所面临的困难,同时就铁路企业如何发展中枢辐射铁路物流提出了建设性意见。 相似文献
10.
在分析公司制企业治理结构现状及存在问题的基础上,提出了国有企业通过改革,建立股东、债权人、经营者、员工等利益相关者多方合作的企业治理结构的目标模式,通过对企业经营者的激励与约束,确保国有资产保值增值。 相似文献