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31.
随着网络技术的发展与应用,对财务会计提出了挑战,有学者认为,传统的财务会计假设已不再适用。本文认为,信息化只是在一定程度上影响了会计假设,并没有改变会计假设的实质,会计假设在会计理论和会计实务中的地位并未发生实质性的动摇。采用实时报告系统,能够有效解决信息化对会计分期假设和持续经营假设的影响。 相似文献
32.
自从凯恩斯的《通论》出版以来,宏观经济学就逐渐成为一个比较系统而相对独立的学科,后人将凯恩斯的短期经济增长模型进一步长期化为外生和内生经济增长理论.纵观主流宏观经济学的理论构建,几乎都有一个共同的假设:市场能够自动实现均衡,但是,正是这个假设将西方主流宏观经济学引入了歧途.对于原凯恩斯主义、新古典综合派、新凯恩斯主义、哈罗德-多马的古典经济增长理论和索洛的新古典增长理论、新古典宏观经济学派而言,它都是一个难以回避的硬伤. 相似文献
33.
网络口碑信息对消费者购买决策的影响:一个实验研究 总被引:17,自引:0,他引:17
本文通过实验法考察了网络口碑信息对消费者购买决策的影响,就网络口碑的影响力在口碑信息类型、传播方向和产品涉入度不同的情况下会表现出哪些差异等问题作了分析。实验结果支持了所提出的6项假设,网络口碑信息对于消费者购买决策的影响力可能会随着口碑传播方向、信息类型以及产品卷入度的不同而呈现出显著差异的预测得到了证实;信息类型、传播方向和产品卷入度之间所存在的交互效应也会明显地作用到网络口碑对消费者购买决策的影响效果。 相似文献
34.
We investigate key sales management aspects in relation to the export involvement stage of the firm. Specifically, an attempt is made to examine the presence of significant differences in export sales management control strategy, export sales organization design and export sales management behavioral attributes between ‘active’ and ‘committed’ exporting firms. We identify several differences among these exporter groups with the main conclusion being that the sales management function is more effectively organized and managed at advanced levels of export involvement. These findings are discussed in the light of existing knowledge, and various conclusions and research implications are also derived. 相似文献
35.
在当前电力供需日趋紧张的形势下,电力企业为了保证电网的安全稳定运行,实现其向社会可靠供电的承诺,必须在政府的政策支持和引导下加快电源和电网建设的同时充分挖掘需求侧潜力,大力推进需求侧管理在中国的实践.笔者根据多年工作经验总结出在开展需求侧管理工作的过程中应注意的几个问题. 相似文献
36.
Stephan M. Wagner Author Vitae Martin Hoegl Author Vitae 《Industrial Marketing Management》2006,35(8):936-943
While there is increasing evidence that involving suppliers in new product development (NPD) is important, and for many firms even inevitable, there is also evidence that not all such efforts are successful. Firms aiming at implementing this strategy effectively have to pay close attention to several contingency factors on the organizational level and properly manage supplier involvement on the project level. The exploratory case study research underlying this article explores key issues to be considered when involving suppliers in NPD and the counter measures they can take. Our research shows that companies differentiate between so-called “know-how” and “capacity” projects, and that they manage them differently. Furthermore, this research shows that firms outside the automotive and high-tech manufacturing industries are likely to intensify supplier involvement in the future. 相似文献
37.
38.
阐述了安徽省峰谷电价的实施背景、方案的主要内容和创新特点,2004年上半年的实际执行情况及取得的效果。结合安徽省实际情况,对下一阶段如何优化峰谷电价方案、进一步发挥价格杠杆作用提出了建议。 相似文献
39.
TIMOTHY CONLEY SILVIA GONÇALVES CHRISTIAN HANSEN 《Journal of Accounting Research》2018,56(4):1139-1203
We review developments in conducting inference for model parameters in the presence of intertemporal and cross‐sectional dependence with an emphasis on panel data applications. We review the use of heteroskedasticity and autocorrelation consistent (HAC) standard error estimators, which include the standard clustered and multiway clustered estimators, and discuss alternative sample‐splitting inference procedures, such as the Fama–Macbeth procedure, within this context. We outline pros and cons of the different procedures. We then illustrate the properties of the discussed procedures within a simulation experiment designed to mimic the type of firm‐level panel data that might be encountered in accounting and finance applications. Our conclusion, based on theoretical properties and simulation performance, is that sample‐splitting procedures with suitably chosen splits are the most likely to deliver robust inferential statements with approximately correct coverage properties in the types of large, heterogeneous panels many researchers are likely to face. 相似文献
40.
Eva Ferreira 《European Journal of Finance》2018,24(10):828-848
This paper analyzes the dynamics of pair comovements between different domestic European stock market returns (Spain, France, Germany, Switzerland and the United Kingdom) seeking to check whether there is a unique source of risk driving those dynamics. Once it is shown that the comovements are time-varying, the question is to find whether a global index such as the Euro Stoxx can be considered the main source of risk. To that end we estimate and test for time-varying global pair covariances and for time-varying remaining pair covariances once the effect of the Euro Stoxx is removed. The empirical results are obtained considering locally stationary variables, a family that includes variables with first and second time-varying moments. Under that framework time-varying means and covariances can be estimated using a spline-based procedure and Wald-type statistics can be computed to test for time-variations. A simulation study shows that the role of the mean estimation part is crucial to the good performance of the tests for second moments. The empirical results evidence that all global pair covariances for the European countries analyzed are time-varying, but also that the Euro Stoxx can be considered as the driving source of risk for these time-varying dynamics. This conclusion is very useful for modeling purpose and financial strategies. Finally, we repeat the analysis considering the Nasdaq as an alternative global index and find that it explains only a small part of the dynamics in the European pair comovements. 相似文献