供应链环境下库存管理绩效评价研究

针对目前供应链库存管理绩效评价不足的现状,根据供应链库存管理的特点与特殊性,提出了供应链库存管理绩效评价原则,建立了相应的绩效评价指标体系,运用AHP法确定各项指标相应权重,建立了供应链环境下的库存控制绩效模糊综合评判模型,并进行了算例应用。     

含价格折扣、允许缺货的两级供应链库存模型

研究一个供应商、多个销售商组成的两级供应链库存系统,针对具有价格弹性的市场需求、含有价格折扣、允许供应商和销售商产生缺货以及满足供应商和销售商Pareto有效性的情况,建立了使供应链系统整体盈利最大的存贮模型。并结合算例分析了价格弹性因子对系统盈利水平的影响。     

对企业技术创新自我实现的经济学分析

本文从经济学的理论角度分析了企业技术创新自我实现的可能性。分析发现：产品被成熟生产后的产量与资本报酬和资本边际生产率的大小有直接关系。因此，企业发展内部本身就可以通过市场供需调节来实现创新的循环和延续。从这一点上说，国家对于企业技术创新的鼓励政策应该更加依靠市场机制的作用。     

城市土地价格波动对房地产业的影响——1999～2005年中国20城市的实证分析

本文利用1999～2005年间的数据对我国地价与房价的关系进行了实证研究.研究结果表明房价对地价有显著影响,地价对房价的影响度较小.在对地价与房价互动传导机制进行研究时,提出了3个传导路径,这些路径上的各个变量大都相互影响.通过分析我们还发现金融支持和土地政策在地价与房价变动中扮演着重要角色,抑制房价不能只控制土地价格,还应从金融支持、投资等方面着手,制定更严格的信贷制度,增加房地产交易税和提高居民可支配收入.本文的研究对于政府制定正确的货币政策和房地产业政策具有积极的参考意义.     

Theory Analysis of Model for Price Fluctuations in a Single Commodity Market

The price model for a single commodity market is a very important economic model that describes the basic rules for price fluctuations in a single commodity market. In this paper, we investigated the general case for the model, and proved that every positive solution is bounded and we obtained a necessary and sufficient condition for oscillation of every positive solution concerning positive state solution.     

关于商业银行贷款呆账准备金制度的分析

对贷款的会计处理和计提呆账准备金的实践是银行业管理和控制风险的基本要素,财政部已多次颁布了有关的管理办法。这些办法的出台对于商业银行防范和化解金融风险有着积极的意义,但也存在一些问题与不足。本文针对这些问题,结合国际惯例和我国实际情况,提出了改革和完善我国商业银行贷款呆账准备金制度的对策和建议。     

The price relationship between organic and non-organic vegetables in the U.S.: evidence from Nielsen scanner data

This study investigates price relationships between organic and conventional carrots, tomatoes, and lettuce in the U.S. utilizing Nielsen scanner data from 2006–2015. We employ a threshold vector error correction model (TVECM), threshold vector autoregressive model (TVAR), and threshold cointegration test to test whether market integration exists between organic and conventional vegetables as well as the existence of asymmetric price transmission. The results find positive long-run relationships between organic and conventional prices of carrots and tomatoes and show the existence of asymmetric price transmission in price pairs of lettuce and tomatoes. Our findings suggest that the price relationship between organic and conventional vegetables varies by characteristics, such as shelf life, volatility in the price premium, and substitutability.     

由临街地价推算区片价的方法探讨

如何利用临街样点地价推算区片平均地价及基准地价始终是城镇基准地价评估的一个难点。文章利用赤峰市的实际调查数据,分别采用临街贡献率和面积加权两种方法推算区片平均地价,并采用回归分析方法探讨区片价与临街地价之间的关系,结果证明两种方法所推算的区片平均价是基本一致的,而且区片价与临街地价之间呈“反S”曲线关系。     

人民币升值预期下的我国外汇储备增长实证分析

最近几年来我国外汇储备超常增长,人民币升值预期将在其中起重要作用的观点虽然被广泛认同,但对此的定量研究还非常欠缺。本文以境外人民币NDF汇率作为汇率预期指标,运用计量经济学方法对2000年至2005年月度外汇储备时间序列数据进行定量分析,结果表明人民币汇率预期对外汇储备快速积累起着极为重要的作用,同时外汇储备积累也是外向型经济发展的反映。     

Strategic Firm Behavior Under Average-Revenue-Lagged Regulation

Price caps have been shown to have incentive properties superior to traditional rate of return regulation. Average-revenue-lagged regulation (ARL) is attractive in that steady-state prices are known to be efficient. We show that the ARL scheme can be manipulated by the firm so as to yield the unregulated global profit maximum. While tests exist that can provide the regulator with evidence of this strategic behavior, we also demonstrate that the unregulated global profit maximum will not be attainable if Laspeyres (L) regulation is employed.Jel classification: L43, L51I would like to thank Michael Crew and an anonymous referee for their extremely helpful suggestions.