我国连锁零售业:绿色供应链管理的实施

目前新兴的绿色供应链管理,被视为现代企业可持续发展的关键,已经成为了世界企业界多行业和领域里的先进理念。是现代企业与环境保护能够共同协调发展的最佳组合模式。绿色供应链管理被引进我国后,只在生产型企业和制造型企业里实施过,在零售业尚属空白状态。本文试图探索这一理念运用到我国零售业的实施模式,目的是希望通过实施绿色供应链管理来加强我国零售业的核心战斗力。     

转型期中国土地利用的时序优化与空间释放

随着中国经济快速发展和人口集聚,建设用地需求快速增加,土地供需矛盾日益突出,资源保护和管理的压力逐渐加大。中国经济已步入新常态,经济结构转型倒逼土地供应结构优化调整。发达国家城镇化发展阶段起步较早,在土地节约集约利用与管理方面积累了宝贵经验。结合中国城市土地利用现状,借鉴美国、英国、德国等发达国家土地利用与管理经验,可从盘活存量土地、提高土地供给精准度、建立多元化供地机制三方面实现土地节约集约利用及有效管理,促进供给侧结构性改革。     

房地产产业链泡沫相依结构演化及其危机传染效应

本文采用R-Vine Copula方法对我国2000-2015年期间房地产产业链上各行业泡沫之间的相依结构进行建模分析,并在此基础上分析2007年次贷危机和2009年欧债危机对房地产产业链泡沫相依结构的冲击影响。研究结果表明：在整个研究期间,房地产产业链上各行业均存在多次周期性泡沫,比较严重的泡沫均集中在2006-2007年,且其间出现房地产业泡沫的峰值;房地产业泡沫是各行业泡沫相依结构的枢纽中心,起到了“蓄水池”的作用,并与有色金属业、建筑装饰业、银行业和机械设备业之间存在较高的相依性;次贷危机和欧债危机的发生不仅仅增强了房地产与相关行业之间的相依性,存在明显的危机传染效应,也改变了整个产业链的相依结构。     

“产业七寸”、自主创新及纺织产业升级

"产业七寸"不仅是产业链中科技含量最高的环节,而且是原始创新的关键环节,这一环节是某一国家、地区产业发展水平的标志.纺织工业的"七寸"环节就是高档面料、先进纺织机械的研发和生产制造.掌握"产业七寸"环节是我国从纺织大国走向"纺织强国"的必然选择,也是我国纺织品出口从根本上规避技术贸易壁垒的必由之路.因此,要促使企业成为纺织技术创新的主体,掌握"产业七寸"环节这一产业"制高点",带动纺织工业升级.     

提高连锁超市公司资源效率的探讨

连锁超市公司的资源属于经济资源的范畴,充分利用有限资源,提高资源效率,是连锁超市公司企业管理的一个永恒主题。根据资源管理的经济理论知识和实践,结合作者在连锁超市公司多年的财务和管理工作经验,从商品效率、资产使用效率和费用效率等方面对提高连锁超市公司资源效率进行了初步的探讨,对连锁超市经营管理者有所启发和帮助。     

The impact of RFID adoption on donor subsidy through for-profit and not-for-profit newsvendor: Implications for Indian Public Distribution system

Subsidy programs are sponsored by government and international agencies to improve affordability and accessibility of food and health products for socially deprived community. Although the donors in such programs allocate substantial resources to fund subsidies, a lot of it is wasted due to the inefficiency in the system arising out of product shrinkage and misplacement. This study analyzes the impact of private participation and advanced technology like RFID adoption on the donor subsidy under target consumption level. We formulate the problem as a donor funding the subsidy program through for-profit/not-for-profit newsvendor and compare the equivalent subsidy per consumption with and without RFID. We perform numerical analysis, collecting data from the public distribution system of India, and the results indicate that, unless the for-profit firm operates under a substantially reduced level of shrinkage and misplacement, the donor should always prefer a not-for-profit firm for program implementation. We also observe that among all the scenarios, a not-for-profit firm with advanced technology like RFID requires minimum donor subsidy to generate the target expected consumption.     

Policies for managing peak stock of food grains for effective distribution: A case of the Indian food program

The Indian food program has encountered a significant shortfall in storage due to slow expansion of storage facilities in comparison with procurement. The open storage of food grains results in substantial loss and deterioration of quality. While increasing storage capacity is a viable but costly and time consuming option, the adoption of policies for peak storage reduction would go a long way towards effective food grains management. On this background, this study proposes policy adoption for peak storage reduction for effective inventory management. A dynamic simulation model was built by replicating the complex flow process and incorporating the process variability for finding the bottleneck and significant factors. It was found that steep wheat procurement is the critical bottleneck factor for peak storage requirements. Two practical and straightforward, yet effective policies are proposed from the few existing strategies for peak storage reduction owing to the constraints associated with the food program. With the actual data of the food program, reduction in peak stock was estimated for the recommended policies, including the operational cost saving in storage. The practical implications of these policies within the system were also discussed. Through peak reduction, the use of open storage can be significantly reduced, and this leads to better food grains management for effective food distribution.     

Semi-parametric dynamic asymmetric Laplace models for tail risk forecasting,incorporating realized measures

This paper extends the joint Value-at-Risk (VaR) and expected shortfall (ES) quantile regression model of Taylor (2019), by incorporating a realized measure to drive the tail risk dynamics, as a potentially more efficient driver than daily returns. Furthermore, we propose and test a new model for the dynamics of the ES component. Both a maximum likelihood and an adaptive Bayesian Markov chain Monte Carlo method are employed for estimation, the properties of which are compared in a simulation study. The results favour the Bayesian approach, which is employed subsequently in a forecasting study of seven financial market indices. The proposed models are compared to a range of parametric, non-parametric and semi-parametric competitors, including GARCH, realized GARCH, the extreme value theory method and the joint VaR and ES models of Taylor (2019), in terms of the accuracy of one-day-ahead VaR and ES forecasts, over a long forecast sample period that includes the global financial crisis in 2007–2008. The results are favorable for the proposed models incorporating a realized measure, especially when employing the sub-sampled realized variance and the sub-sampled realized range.     

General existence of competitive equilibrium in the growth model with an endogenous labor–leisure choice

We prove the existence of competitive equilibrium in the canonical optimal growth model with elastic labor supply under general conditions. In this model, strong conditions to rule out corner solutions are often not well justified. We show using a separation argument that there exist Lagrange multipliers that can be viewed as a system of competitive prices. Neither Inada conditions, nor strict concavity, nor homogeneity, nor differentiability are required for existence of a competitive equilibrium. Thus, we cover important specifications used in the macroeconomics literature for which existence of a competitive equilibrium is not well understood. We give examples to illustrate the violation of the conditions used in earlier existence results but where a competitive equilibrium can be shown to exist following the approach in this paper.     

Managing supply chain resilience to pursue business and environmental strategies

Resilience has become a crucial topic in the field of strategic management as it requires companies to design resilient business models to tackle managerial and environmental disruptions of individual firms and supply chains. However, extant research still lacks deep insights into how companies design and manage supply chains according to the resilience principles. With this premise, this paper aims at conducting a state of the art review on supply chain resilience (SCR) considering 125 relevant papers collected from Scopus and Web of Science academic search engine. Starting from the results of the literature review, this study proposes a systemic framework of SCR assessment and contributes to improve the understanding of the impact of different empirically tested constructs on the development of the resilience concept. Further, the findings are summarized in several areas including barriers in developing resilience, metrics to measure the resilience performance, and effective strategies to foster the SCR. Finally, this study outlines promising future research directions for scholars and practitioners.