供应链环境下苏宁电器VMI的实施研究

分析了苏宁电器物流现状及其供应链上存在的问题,针对存在的问题提出苏宁实施VMI（供应商管理库存）的建议．并以一个利润模型对苏宁实施VMI进行了理论分析。分析结果表明实施VMI项目后供应链上的短期总成本降低了,但供应商的短期总成本升高了,同时供应链系统的总利润有所提高．因此从定量上证明了苏宁实施VMI是可行的。最后从定量的角度讨论了实施VMI项目的利润分配问题,以提高供应链的稳定性。防止供应商信用缺失现象。     

Market Power of Domestic Marketers and its Influence on the Consequences of the Korea–US and Korea–Australia FTAs on the Beef Market

Domestic, US and Australian beef, which are differentiated by country of origin, are sold in Korea. In this differentiated product market, tariff reductions through Free Trade Agreements (FTAs) are expected to strengthen the competitiveness of imported beef and, therefore, to mitigate the effects arising from the market power of domestic marketers. The present study develops a simulation model that evaluates this mitigating effect by explicitly reflecting the market structure that domestic beef marketers constitute. The simulation results indicate that the farm-retail marketing margin would decrease by 10.59% or 6.79% due to the Korea–US and Korea–Australia FTAs, respectively, if domestic beef marketers formed a cartel or an oligopoly market (i.e. the degree of market power is 0.5), while the marketing margin under a competitive market scenario is simulated to have no change. The value of beef production would decrease by 1009 million dollars if the marketers form a cartel and hence exercise monopoly power. The FTAs are simulated to reduce the value of beef production by 564 million dollars under the competitive market scenario.     

Does Milton Friedman Support a Vigorous Business Ethics?

This paper explores the level of obligation called for by Milton Friedman’s classic essay “The Social Responsibility of Business is to Increase Profits.” Several scholars have argued that Friedman asserts that businesses have no or minimal social duties beyond compliance with the law. This paper argues that this reading of Friedman does not give adequate weight to some claims that he makes and to their logical extensions. Throughout his article, Friedman emphasizes the values of freedom, respect for law, and duty. The principle that a business professional should not infringe upon the liberty of other members of society can be used by business ethicists to ground a vigorous line of ethical analysis. Any practice, which has a negative externality that requires another party to take a significant loss without consent or compensation, can be seen as unethical. With Friedman’s framework, we can see how ethics can be seen as arising from the nature of business practice itself. Business involves an ethics in which we consider, work with, and respect strangers who are outside of traditional in-groups.     

On the stabilizing virtues of imperfect competition

We analyze the stabilizing role of imperfect competition on fluctuations as a result of indeterminacy and endogenous cycles. In this paper, imperfect competition is a source of monopoly profits, because of producer market power. Considering an overlapping generations model with capital accumulation and elastic labor supply, we show that under imperfect competition, the emergence of endogenous fluctuations requires a weaker substitution between production factors than under perfect competition. In this sense, imperfect competition stabilizes fluctuations. However, we find an opposite conclusion concerning the elasticity of labor supply. Indeed, endogenous fluctuations are compatible with a less elastic labor supply under imperfect competition.     

中国上市公司无形资产投资实证分析

针对中国上市公司对无形资产管理的现状,结合无形资产特点,对中国部分上市公司的无形资产投资进行了实证分析,并对无形资产投资前提、投资额及投资时机进行了研究,以此来构建一个无形资产投资体系。     

中小物流企业市场风险分析与对策

中小物流企业须正确分析和应对市场风险。中小物流企业从创业阶段、成长阶段到成熟阶段始终处于一个不确定的环境中，面临着各种各样的风险，如市场风险、技术风险、管理风险、财务风险等，加强企业风险管理，认真分析与处理好市场风险是至关重要的，是提高中小物流企业盈利能力的根本。     

Taxation under oligopoly in a general equilibrium setting

Taxation under oligopoly is analyzed in a general equilibrium setting where the firms are large relative to the size of the economy and maximize the utility of their shareholders. Assuming that preferences are either identical and homothetic or identical and quasi‐linear, then the oligopoly model is an aggregative game, which greatly simplifies the comparative statics for the effects of taxation. This novel analysis of taxation leads to a number of counterintuitive results that challenge conventional wisdom in microeconomics. A lump‐sum tax may increase the price of the oligopolistic good and decrease welfare whereas a profits tax may decrease the price of the oligopolistic good and increase welfare. A profits tax is shown to be superior to a lump‐sum tax. Furthermore, in line with conventional wisdom, total tax revenue is always higher with an ad valorem tax than with a specific tax that leads to the same price for the oligopolistic good.     

Predicting entry of Swedish wholesale firms into local markets

Applying microeconomic theory, we develop a forecasting model for firm entry into local markets and test this model using data from the Swedish wholesale industry. The empirical analysis is based on directly estimating the profit function of wholesale firms. Profits are assumed to depend on firm- and location-specific factors, and the profit equation is estimated using panel data econometric techniques. Using the residuals from the profit equation estimations, we identify local markets in Sweden where firm profits are abnormally high, given the level of all independent variables included in the profit function. From microeconomic theory, we then know that these local markets should have higher net entry than other markets, all else being equal, and we investigate this in a second step, also using a panel data econometric model. The results of estimating the net-entry equation indicate that 19 of 30 estimated models have more net entry in high-return municipalities, but the estimated parameter is only statistically significant at conventional levels in one of our estimated models, and then with an unexpected negative sign.     

Further evidence on financial information and economic activity forecasts in the United States

Our study provides substantially robust evidence for the predictive power of financial variables in forecasting the business cycle at a further step. We select several interesting and representative financial variables and reveal that they can predict significant information regarding future equity premiums as well as future macroeconomic activity, which are proxied by comprehensive fresh macroeconomic variables. The predictive power remains stable in out-of-sample estimations and can generate profits in an active market-timing trading strategy in excess of the historical mean forecast strategy. Cochrane provides one of the core interpretations for such forecasts in the theoretical asset pricing framework.     

新会计准则下我国上市公司债务重组动因研究——基于A股上市公司2007年数据

在我国2007年实施新的《企业会计准则——债务重组》的背景下,结合盈余管理的理论,对我国A股上市公司债务重组动因进行的实证分析发现,财务状况改善、扭亏对上市公司债务重组幅度有显著影响,平滑利润对上市公司债务重组幅度影响不显著。