政府税率、铸币税税率和经济增长率的非线性关系——对经济增长拉弗曲线模型的扩展

根据存量流量一致性模型确定了跨期叠代模型的预算约束均衡,在典型代理人最优化的分析框架下,同时结合生产者最优化和政府的预算约束均衡,得到政府税率、铸币税税率等对经济增长非线性影响的理论模型.传统分析认为这种影响可能是2次曲线关系,本文将其扩展到3次曲线关系,并对理论模型进行了实证研究,结果表明:经济增长与政府税率、铸币税...     

微分博弈下政府税收与企业再投资的互动策略研究

文章以Solow增长模型中的新古典生产函数为基础,结合随机微分理论和动态博弈理论,将政府税率和企业再投资率设为内生变量,构建了政府-企业博弈系统,分析了政府税收和企业再投资最优策略,并通过数值方法分析了现实经济问题。     

基于非期望效用函数的随机经济增长模型

采用非期望效用偏好结构，引入生产性政府花费，建立了连续时间随机经济增长模型，利用随机最优化方法，确定了宏观均衡解，在模型中讨论了产出的波动、税后资本平均回报率以及收入税对经济的宏观影响，得出了最优收入税税率的表达式r^*=1α。     

随机内生增长模型中的福利性政府开支

通过引入福利性政府公共开支,建立一个连续时间随机经济增长模型,讨论了政府花费的波动及收入税率对经济的宏观影响,利用随机最优化方法,确定了均衡状态下的消费-财富比、期望经济增长率和关注福利的政府最优选择.     

财经剪贴

为换救助，塞浦路斯政府试图征存款税 3月16日．欧元集团与塞浦路斯政府达成100亿欧元的救助协议。协议规定，塞浦路斯所有银行储户要根据存款数额支付一次性税收．10万欧元以上存款的税率为99％．10万欧元以下存款的税率为675％。此项征税可给塞浦路斯政府带来58亿欧元收入。     

反倾销税对现行出口退税策略的影响

在国外对我国反倾销案件不断增多的情况下,反倾销税对出口退税政策的影响不断增大.研究目的是为政府提供一种新的视角来审视出口退税政策的制定,同时也对企业在出口退税政策下的理性选择提供理论依据.在定产量的假设前提下,建立国外政府征收最优反倾销税率,国内政府确定最优退税率的模型,运用经济学、博弈论等原理分析,得出结论:国内企业和国外企业的成本共同决定了国内最优出口退税率和国外最优反倾销税率,二者的差距也决定了最优退税率和反倾销税率的差距.     

政府税收行为与休闲体育产业的二层规划模型

政府税收政策影响企业的投资策略,为提升我国休闲体育产业的发展规模和竞争力,需研究政府最优税收策略与企业投资策略的数学模型。分析产业背景并提炼关键决策变量,建立了二层规划模型。在政府确定税收目标及休闲体育产业的发展目标后,设计了一个确定最优税率的模糊交互式算法,同时也可保证企业根据政府的最优税率来确定最优投资方案以最大化其期望效益。实际案列验证了模型的合理性。     

税收和财政补贴与企业行为

以对策论为工具，通过引入当财政补贴政策因子，考察税收机制与企业生产行为之间的关系。分析表明，对于财政补贴政策因子的不同参数空间区域，税率与企业生产行为的变化分别呈现三种模式，且三种模式在一定条件下相互转化，政府可在一定范围内通过调节税率和财政补贴政策因子引导企业的生产行为。     

完全信息条件下上下游反倾销税率优化的动态博弈分析

运用微观经济学和博弈论的有关原理,通过建立完全信息动态博弈下的上下游反倾销税率优化模型,探讨在产业链的关联影响下如何确定反倾销税率的问题,发现上下游反倾销税率的优化受到下游市场消费者需求弹性、国内外上游企业成本以及世界市场要素价格等因素的影响,并对我国政府和出口企业给出了相关的政策建议,同时该模型也证明了当前我国鼓励原材料进口的政策是有利的。     

完全信息条件上下游反倾销税率优化的动态博弈分析

运用微观经济学和博弈论的有关原理,通过建立完全信息动态博弈下的上下游反倾销税率优化模型,探讨在产业链的关联影响下如何确定反倾销税率的问题,发现上下游反倾销税率的优化受到下游市场消费者需求弹性、国内外上游企业成本以及世界市场要素价格等因素的影响,并对我国政府和出口企业给出了相关的政策建议,同时该模型也证明了当前我国鼓励原材料进口的政策是有利的.     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with