基于频率响应屏蔽技术的采样率变换新结构

介绍了频率响应屏蔽(FRM)技术在采样率变换技术中的应用,分析了FRM的简化结构——内插滤波器的设计方法。将此滤波器应用于采样率变换中,并结合多相滤波思想提出了一种高效的FRM采样率变换结构,此结构能极大降低采样率变换实现复杂度。最后通过设计实例,验证了此结构的高效性。     

价格、时间敏感性供应链收益混合分配契约模型研究

供应链企业通过何种契约方式进行协同合作，以达到整体目标的最优，是供应链管理的一个重要研究课题。在一个两阶供应链系统中，面对价格和响应时间敏感性市场需求，文章通过引入供应商的激励——响应时间函数和市场关于价格和响应时间的需求函数，构建了供应链的收益混合分配契约模型，最后文章给出了算例分析，验证了该模型的可行性。     

Charging for public services: the case of utilities in Norwegian local governments

This paper empirically analyzes the determinants of utility charges using a panel data set for a sample of Norwegian local governments. There is strong evidence of revenue substitution in the sense that local governments increase their utility charges when other sources of revenue (lump-sum grants and regulated tax revenue) become more restricted. Moreover, local political institutions are shown to be important: a high share of socialist representatives in the local council leads to high utility charges, whereas a strong political leadership is able to keep utility charges low.     

Does high supply chain integration enhance customer response speed?

The capability of customer response speed is commonly employed by firms that wish to strengthen their relationship with customers in order to maintain a high level of service in a hypercompetitive environment of rapidly changing technology. Improved customer response speed also helps manufacturers respond more rapidly to satisfy customer needs. However, does high level of supply chain integration with customers have positive impact on customer response speed? This study proposes a conceptual model to examine antecedents to better firm performance, with customer response speed as a mediator. The conceptual model was empirically tested using data collected from 809 manufacturing companies in the Greater China Region. The results show that the nature of the relationship between customer integration and customer response speed may vary substantially from one area to another. Also, customer response speed mediates between customer integration and firm performance in China and Taiwan.     

跨境供应链技术性贸易壁垒应对机制探析

分析了中国面对技术性贸易壁垒现状及中国技术性贸易问题,提出了跨境供应链移除壁垒的几点政策建议。     

Long‐run Effect of the Global Financial Crisis on Singapore's Tourism and the Economy

This study employs recent Singaporean tourism survey data, the updated Singaporean input–output tables and a computable general equilibrium model to gauge the long‐run effects of the 2008 global financial crisis and selected policy responses. The simulation results suggest that the global financial crisis has had mild negative long‐run effects on the overall development of Singapore's economy, and that the GST deduction policy ought to offset this negative effect.     

中国财政政策动态效应的实证分析:1998~2004

本文对中国1998~2004年间实行的积极性财政政策的动态效应进行了实证研究。基于对数据性质的考察,我们选用了结构性VECM模型来研究。在结构性模型中,我们引入了长期约束和短期约束来识别宏观经济变量中的冲击向量,并利用脉冲响应函数和方差分解的方法,对冲击向量的动态效应进行实证研究。模型的实证结果表明,财政支出冲击对总产出具有正向效应而税收收入冲击则具有负向效应,且支出冲击的正效应略大于税收收入的负效应。该结论印证了凯恩斯主义关于财政政策的主要结论。同时实证结果对我国1998年以来的积极财政政策的效果给予了支持:增加财政支出的效应很大程度上被同期税收收入的增长所抵消,财政政策对产出的贡献并不像预期的那么显著。     

Service provider responses to anxious and angry customers: different challenges, different payoffs

Anxiety and anger, two frequently experienced emotions during service consumption, arise from different appraisals of the eliciting event, i.e., attribution to uncontrollable circumstances and low coping potential for anxiety versus attribution to providers and high coping potential for anger. These appraisal differences were hypothesized to impact the occurrence of supportive provider responses (higher for anxiety than for anger), and the value given to supportive responses by anxious versus angry customers (higher evaluation for anxiety than for anger). It was also hypothesized that, although evaluation of provider response would mediate the relationship between the intensity of both anger and anxiety and satisfaction with the service encounter as a whole, the power of this mediating effect would be stronger for anxiety than for anger. Hypotheses were confirmed in a survey of air travel passengers reporting episodes of anxiety and anger. Implications of these results for challenges and payoffs involved in the development of adaptive response strategies to anxious and angry customers are discussed.     

Flexible estimation of price response functions using retail scanner data

Kalyanam and Shively [1998. Estimating irregular pricing effects: a stochastic spline regression approach. Journal of Marketing Research 35 (1), 16–29] and van Heerde et al. [2001. Semiparametric analysis to estimate the deal effect curve. Journal of Marketing Research 38 (2), 197–215] have demonstrated the usefulness of nonparametric regression to estimate pricing effects flexibly. The empirical results of these two studies, however, also revealed that nonparametric regression may suffer from too much flexibility leading to nonmonotonic shapes for price effects. In this paper, we show how the problem of nonmonotonicity can be dealt with without losing the power of flexible estimation techniques. We propose a semiparametric approach based on Bayesian P-splines with monotonicity constraints imposed on own- and cross-price effects. In an empirical application, we illustrate that flexible estimation of own- and cross-price effects can improve the predictive validity of a sales response model substantially, even when price response curves were constrained to show a monotonic shape, as suggested by economic theory. We also discuss the consequences from an unconstrained estimation of price effects.     

Consumer perceptions of refund depth and competitive scope in price-matching guarantees: effects on store patronage

The study investigates the effect of two characteristics of price-matching guarantees—the depth of refund offer and the scope of competitors eligible for price matching—on consumer perceptions of price-matching guarantee believability and value and consumer intentions to patronize the retailer. The results show that large refund offers built consumer patronage intentions by enhancing perceptions of the value of the price-matching guarantee, while simultaneously exerting a negative impact on patronage by reducing believability of the price-matching promise. The competitive scope also affected the patronage intentions by influencing the perceived value of the price-matching policy.