论图片编辑的基本素质

本文针对期刊编辑人才的培养,图片编辑的选题策划及刊物、图书装帧的前期设计与后期制作进行了探讨,提出了一些建设性的建议.     

Price Discrimination with Private and Imperfect Information

In this paper, I investigate the competitive and welfare effects of the improvements in information accuracy in markets where firms can price discriminate after observing a private and noisy signal about a consumer's brand preference. I show that when firms believe that consumers have a brand preference for them, then they charge more to these consumers, and this price has an inverse U‐shaped relationship with the signal's accuracy. In contrast, the price charged after a disloyal signal has been observed falls as the signal's accuracy rises. While industry profit and overall welfare fall monotonically when price discrimination is based on increasingly more accurate information, the reverse happens to consumer surplus.     

Is Private Saving in Latin America and the Caribbean Different?

Private saving and economic growth are intimately linked, and low saving rates in Latin America and the Caribbean (LAC) have often been held responsible for disappointing growth in the region. Thus, identifying factors that spur saving is critical. This paper surveys previous empirical studies on LAC, highlighting contradictions, omissions and in some cases inconclusiveness of findings. Relying on a large dataset and a nested econometric framework, it analyzes private saving patterns and explores the role of its determinants in LAC, across LAC sub‐regions and compared with other regions. While the results highlight great heterogeneity in private saving rates within LAC and compared with the rest of the world, saving determinants are broadly the same notwithstanding some differences in sensitivity and contributions' sizes, and include its lag, income, demographics and public saving.     

基于技术创新模式的我国风电装备制造业创新能力分析

全球风电市场的发展为我国风电设备制造业的发展提供了机遇和有利条件。分析了我国风电设备制造业的发展现状,对该产业所采用的技术创新方法进行了分类,归结为模仿创新、合作创新和自主创新3种模式。基于此创新模式分类,绘制了我国主要风电设备整机制造企业的技术能力演变路线图,总结了技术创新模式对企业创新能力提升的影响,并指出模仿创新模式和合作创新模式已经不能满足我国风电设备制造业发展的需要,我国风电设备制造业只有在积极引进消化吸收国际先进技术的同时,通过自主创新,提高技术创新能力,开发更多具有核心技术和自主知识产权的产品,才能抓住发展机遇,走出困境,做大做强。     

Sources of Fluctuations in the Real Exchange Rates and Trade Balances of the G‐7: A Sign Restriction VAR Approach

This paper estimates structural vector autoregression models of output, the real exchange rate and trade balance for the group of seven leading advanced economies (G‐7). Unlike previous studies, we do not impose long‐run purchasing power parity as an identifying assumption; instead, the shocks underlying the model are structurally identified using a set of theory‐consistent sign restrictions. Empirical results show that nominal shocks account for most of the long‐run variability in trade balances across the G‐7 countries. We are able to attribute this finding to long‐run movements in the real exchange rate, as the real exchange rate is significantly affected by nominal shocks in the long run.     

质量管理实践、新产品开发能力与新产品开发绩效关系研究

新产品开发企业可以利用质量管理系统优化新产品开发过程,改善新产品开发绩效,但质量管理改善新产品开发绩效的机理并不明确,质量管理实践与新产品开发绩效间关系的研究结论也不一致。将质量管理实践分为基础质量管理实践和核心质量管理实践两类,根据能力理论构建了质量管理实践、新产品开发能力与新产品开发绩效的影响机理模型。研究发现,基础质量管理实践能够显著促进新产品开发能力提升,而核心质量管理实践对新产品开发能力的影响不显著;基础质量管理实践能显著促进新产品开发绩效,而核心质量管理实践在一定程度上会阻碍新产品开发绩效。     

Dynamics of volatility transmission between the U.S. and the Chinese agricultural futures markets

The U.S. and China are two of the biggest players in the world agricultural market. The literature documents that volatility in the U.S. agricultural futures market spills over significantly to that of China. This article provides further insights into the spillovers from China to the U.S. as well as the time horizon and dynamics of the bidirectional spillovers through the application of a multivariate extension of the heterogeneous autoregressive model, in relation to four commodities – soybean, wheat, corn and sugar. The results confirm the existence of significant spillovers from the U.S. to China for four commodities, which are primarily generated by the shorter-term volatility components in the U.S., and provide evidence for the increasing pricing power of the Chinese market. The findings are robust against various specifications and have important investment and policy implications.     

CAN SECRET INTERVENTION BE COMPATIBLE WITH A NON‐PROFITMAKING CENTRAL BANK AND A FUNDAMENTAL‐CONSISTENT TARGET?

The coexistence of secret intervention operations and “the signaling channel” (Mussa. The Role of Official Intervention, 1981) seems confusing. Vitale ( Journal of International Economics, 49, 1999, 245–267) resolves this puzzle by employing an asymmetric information framework and an assumption of a fundamental‐inconsistent target for the exchange rate. Ferré and Manzano ( International Journal of Finance and Economics, 14, 2009, 378–393) follow Vitale's microstructure framework and argue that the central banks' profitability motivation offers a rationale for their secret intervention even under a target consistent with the fundamentals. However, that the authority uses its superior information to obtain speculative profits through secret intervention in the market is not a typical goal for central banks. To theoretically explain the opaqueness in non‐profitmaking central banks' exchange rate policies, we employ a model of a central bank's optimization by considering that no bank really knows the exact fundamental rate and they take into account the possible bad consequences of announcing the intervention. We also show that, in passing the bank's private information to market participants, a bank's announcement of the intervention size is equivalent to revealing its target rate. (JEL E58, F39)     

Fractional Integration of Nominal Exchange Rates: Evidence from CEECs in the Light of EMU Enlargement

This paper uses fractional integration models to describe the long‐run dependence of nominal exchange rates in Central and Eastern European countries (CEECs). The analysis is validated using nonparametric, semiparametric and parametric techniques. From comparing the results across the three approaches, it was clear that mean reversion takes places only for the euro exchange rates in Bulgaria, Estonia, and Slovenia. Other exchange rates based on the euro also display mean reversion with the parametric methods. For the US dollar rates, the unit‐root null hypothesis cannot be rejected in any single country, indicating that shocks affecting the exchange rates against the US dollar are of a permanent nature, while those directed against the euro are less persistent, and tend sometimes to disappear in the long run. Policy implications are derived.     

集团战略异质性与控制权配置的关系分析

集团如何依据自身的战略选择合适的控制权配置方式来保障组织效率已成为目前集团管控中普遍存在和亟待解决的难点问题。基于对上述问题的探寻,以2004-2008年深、沪A股隶属于集团的上市公司为研究样本,通过探讨集团战略的业务相关性与集团持股比例的关联关系以及控制权结构和集团持股比例对集团战略的交互效应发现:集团控股股东持股比例越高,集团战略的业务相关性越强,并且控制权结构会显著调节不同类型的集团战略业务相关性与持股比例的关系。