设置三角形阻流件的通道内流体流动特性研究

对常物性流体在通道内的周期性充分发展层流流动特性进行二维数值计算分析,所研究的通道是由两平行平板和交错布置于两平行平板上的多个三角形阻流件构成。给出了不同阻流件高度、顶角和间距以及不同Re 数下的流函数图和阻力特性曲线。     

我国商业银行营销渠道的选择

商业银行营销渠道的选择是一项重要的战略决策，它会极大地影响其经营业绩和成本水平。目前，我国商业银行的营销渠道还比较狭窄，基层网点功能单一，服务手段落后。今后，商业银行要根据目标市场客户的需求，积极开发新的金融产品，大力整合、开发和拓宽营销渠道。     

Testing the conflict-performance assumption in business-to-business relationships

There is little empirical research published testing the interdependency between conflict in business-to-business relationships and commercial performance. The “conflict-performance assumption”—all other factors being equal, relationships where conflict is low will outperform relationships where conflict levels are higher—remains central in the marketing channels' literature despite insufficient and contradictory empirical evidence. There are several explanations for the lack of a clear relationship between conflict and performance. Rosenbloom [J. Mark. 37 (1973) 26] theorises that the relationship between conflict and channel performance follows an inverted U-shaped curve, where conflict is most productive at moderate levels and least productive at very low or high levels. Others have argued for a simpler, linear relationship between conflict and performance, usually negative in nature. Various theories about the conflict-performance relationship are empirically tested in a large marketing channel, using a number of dyadic and monadic measures of conflict (latent, perceived, and affective) and two objective measures of performance (effectiveness and efficiency). A linear model (performance declining as conflict increases) is adequate to explain the relationship between dyadic measures of both perceived and affective conflict and channel effectiveness. A threshold model is found to be superior to a linear model in explaining the relationship between dyadic measures of perceived and affective conflict and efficiency. Conflict increases slowly as efficiency falls until a threshold is reached when conflict escalates. Practical implications include that companies need to consider whether performance criteria affecting efficiency are as important to their business partners as those affecting effectiveness. If they are not, then business partners should be rewarded for meeting any such criteria that are more important to the one side of a relationship dyad than to the other.     

中国经济转型时期商业银行信贷退出问题研究

信贷退出要遵循两个基本原则:一是风险—收益对称原则,二是成本—收益均衡原则。退出成本最低、收益最大、能够较好地掌控风险的时期是信贷退出的最佳时机。判断何时为最佳退出时机必须准确把握行业经济周期、产业结构演进规律、企业生命周期、产品生命周期以及企业信用等级和财务等相关指标的变化。商业银行应该根据信贷进入的行业、区域、企业以及信贷产品制定相应的退出策略。信贷退出路径包括直接退出和间接退出,商业银行应首先考虑间接退出。商业银行信贷退出机制的构建主要包括转换观念,建立行业信贷分析预警退出机制、区域信贷退出机制、客户退出机制、信贷退出激励约束机制等内容。     

Cross‐Border Auction Cycle Effects of Sovereign Bond Issuance in the Euro Area

We provide evidence for the euro area of spillovers from foreign public debt auctions into domestic secondary‐market auction cycles. We also confirm existing evidence of such spillovers from domestic issues into the domestic secondary market. Consistent with a theory of primary dealers’ limited risk‐bearing capacity, we find that auction cycles from domestic issues are stronger during the recent crisis period, whereas cross‐border effects are stronger in the precrisis period, but this evidence is not strong. This finding likely reflects the opposing effects of reduced sovereign bond market integration during the crisis and higher yield covariances caused by more market volatility.     

Reserve Requirements,Liquidity Risk,and Bank Lending Behavior

Although reserve requirements (RR) have been used in emerging markets to smooth credit cycles, the transmission mechanism remains blurry. Using bank‐level data, we unveil the interaction of RR with bank lending. We identify a new channel that works through a decline in banks’ liquid assets and loan supply due to an increase in RR. “Quantitative tightening” through RR raises the short‐term funding needs of the banking system, which is met by collateralized central bank lending, thus depleting banks’ unencumbered liquid assets. Our results suggest that such a shift in bank liquidity is associated with a significant change in lending.     

The Credit Channel at the Zero Lower Bound through the Lens of Equity Prices

This study examines the impact of unconventional monetary policies on the stock market when the short‐term nominal interest rate is stuck at the zero lower bound (ZLB). Unconventional monetary policies appear to have significant effects on stock prices and the effects differ across stocks. In agreement with existing credit channel theories, I find that firms subject to financial constraints react more strongly to unconventional monetary policy shocks [especially large‐scale asset purchases (LSAPs)] than do less constrained firms. These results imply that the credit channel is as important as the interest rate channel in the transmission of unconventional monetary policies at the ZLB.     

“前置式过程交叉型”网络化论文指导模式研究——以上海市某高校工商管理专业自考生论文指导为例

网络化论文指导模式是信息化时代成人教育中论文指导的趋势。如何发挥网络指导论文写作模式的优势,避免其劣势,是这一模式需要解决的问题。针对该模式目前存在问题,提出了前置式的论文质量控制模式。     

Ad hoc网络中基于多波束天线的集中式低时延调度算法

UxDMA算法是一种高效的集中式算法，是用于时分多址、频分多址和码分多址信道分配的统一算法。在UxDMA的基础上，利用多波束天线的多波束形成能力，针对低时延定向ad hoc网络提出了一种集中式调度算法——CLSM(Centralized Low-delay Scheduling Algorithm Based on Multi-beam Antennas)。CLSM通过不同时延等级限制的报文来比较着色后发送链路的优先级，优先选择高优先级链路传输。通过仿真验证了CLSM的性能：与UxDMA相比，该算法在多时延限制的发送端调度中表现出了更好的吞吐量和时延性能。     

Sovereign risk and belief-driven fluctuations in the euro area

Sovereign risk premia in several euro area countries have risen markedly since 2008, driving up credit spreads in the private sector as well. We propose a New Keynesian model of a two-region monetary union that accounts for this “sovereign risk channel.” The model is calibrated to the euro area as of mid-2012. We show that a combination of sovereign risk in one region and strongly procyclical fiscal policy at the aggregate level exacerbates the risk of belief-driven deflationary downturns. The model provides an argument in favor of coordinated, asymmetric fiscal stances as a way to prevent self-fulfilling debt crises.