中美购买力评价分析与中国汇率制度的调整——基于2005年7月汇率改革以来的实证分析

自2004年以来,西方国家基于购买力平价理论,纷纷对我国施加压力,要求人民币升值,以减轻本国的贸易赤字。他们通过比较人民币与其本国货币的购买力水平后发现,我国货币汇率严重低估。文章拟通过分析2005年汇率改革以后购买力平价理论在我国的适用性,说明购买力平价理论在我国缺乏实用性以及我国汇率形成制度的缺陷,并提出完善人民币汇率形成机制的方向和途径。     

人民币购买力平价成立吗?——基于人民币兑欧元的多样本协整分析

选取人民币兑非主权国家货币——欧元的名义汇率,中国CPI指数及欧元区调和HICP指数的数据,以欧元正式成为欧元区唯一合法货币的起点2002年7月到2018年12月为样本,依据影响中欧汇率的重要节点事件对样本进行分段与结合,对人民币兑欧元购买力平价(PPP)成立与否进行协整检验。实证结论有:人民币汇率形成制度改革及欧元平稳运行后的(2005年8月—2018年12月)人民币兑欧元购买力平价协整检验成立;非主权国家货币欧元同样适用经典的购买力平价理论;2008年金融危机是影响汇率市场的重要节点事件,但长期不影响人民币兑欧元购买力平价成立;对PPP冲击影响最大的首先是汇率本身,其次依次是欧元区HICP、中国CPI。因此,购买力平价在一定程度上能够解释人民币兑欧元汇率,对中欧经贸往来有一定的指导作用。     

井控装备集中采购的质量控制

对井控装备集中采购全过程质量控制进行了探讨。提出要保证井控的本质安全,必须以质量为基础。阐述了井控装备及工具集中采购前、采购中、采购后（即售前、售中、售后）3个环节8个过程的质量控制。     

供应链管理下的采购管理方法辨析

如何对物料采购实施有效的管理以获取竞争优势是由物料的多种因素综合决定的。文章在分析传统ABC分类法的基础上,给出了一种依据价值、质量影响及市场采购的难易程度的一个三维分类模式,并分析给出了在供应链管理下不同物料的采购管理要点。     

国企物资采购供应管理的思考

文章针对国有大中型企业进行物资采购供应管理的重要性,对如何加强企业物资采购供应管理,节 约采购成本进行初浅的探讨。     

工业企业原材料采购与库存策略

在市场竞争激烈的今天,如何有效控制采购成本及库存,有效降低企业运营成本已经成为了诸多工业企业面临的一项重大课题。本文通过对工业企业原材料采购成本控制及库存控制的重要性进行分析,并在此基础上阐述如何合理开展原材料采购工作和库存管理,为今后工业企业的发展提供一定的参考依据。     

Purchasing Power Parity and Price Fluctuations in China before July 1937

In this paper, we provide an empirical investigation of the purchasing power parity (PPP) hypothesis for China before July 1937. Using the monthly data from 1922 to 1937, we find clear and consistent evidence in favor of the purchasing power parity relationship. This naturally leads to the conclusion that the degree of Chinese market integration with the West was substantial before July 1937. These findings offer an empirical interpretation of the rise and fall of the Chinese price level during the Great Depression. It also has further implications of the impact of the American Silver Purchase Act of 1934 and the assessment of the 1935 currency reform on the Chinese economy.     

A time‐series approach to the determination of savings rates

Time series analysis is used to study the savings rate and its determinants. The real effective exchange rate is introduced as a new independent variable in the savings function. Borrowing constraints, the current account balance, real rate of interest, macroeconomic stability, and age dependency are shown to be significant determinants of the savings rate. In addition, the real effective exchange rate is found to be significant across countries. Violations of Purchasing Power Parity are shown to explain some of the differences in savings rates between Canada, Japan, the United Kingdom and the United States.     

Sustainable Purchasing in Food Retailing: Interorganizational Relationship Management to Green Product Supply

Stakeholders’ demands for product sustainability redefine the focus of corporate purchasing strategies from the traditional concern with financial performance to considerations of ‘triple bottom line’ viability. This adds to the complexity of managing interorganizational relationships and poses a question regarding corporate ability to effectively leverage suppliers over environmental and social performance of supplied goods. Since it is not clear what type of purchasing relationship is more favorable for greening a product supply, the current paper aims to investigate how food retailers manage their relationships with suppliers in order to influence the environmental and social performance of procured goods and improve the availability of sustainably produced supply. The research is based on two case studies of Swedish supermarkets and supplementary semi‐structured interviews with Swedish, British and Danish supermarkets. The results of the study contribute to the existing body of academic knowledge in the field of sustainable supply chain management by developing a typology of sustainable purchasing relationships with detailed insights into the nature of collaborative practices, structure of incentives, sustainability ambition, and approaches to verification of compliance. The study has also revealed the dependence of sustainable purchasing relationships on the characteristics of the procurement context, namely the presence of well‐established sustainability certification schemes, perceived by purchaser's situation with availability of sustainability certified supply and purchaser's interpretation of the state of power dependence in relationships with suppliers. Copyright © 2015 John Wiley & Sons, Ltd and ERP Environment     

图书馆网上采购探讨

本文说明了网上采购及其采购步骤,分析了网上采购的优越性,从五个方面阐述了影响图书馆实现网上采购的主要因素。