取消征地补偿上限的必要性分析——基于被征地单位人均耕地面积的视角

取消征地补偿上限对于提高征地补偿标；隹具有非常重要的意义。文章从被征地单位人均耕地面积入手，运用数学模型法和对比分析法对取消征地补偿上限的必要性进行了分析：研究结果表明．满足征地补偿上限要求的人均耕地面积要远远大于实际人均耕地面积，征地补偿上限的存在会促使征地者以《土地管理法》中不能超限的规定来进行低标准补偿，从而直接导致了征地补偿偏低，修改《土地管理法》、取消征地补偿上限规定已刻不容缓。     

The relation between forest clearance and household income among native Amazonians: Results from the Tsimane' Amazonian panel study, Bolivia

The Amazon rain forest harbors some of the world's richest biological diversity. During the twentieth century, two types of actors cleared that forest: native Amazonians and outside encroachers. Of the two actors, we know more about what drives outside encroachers to clear forest than about what drives native Amazonians to clear forest. The past research focus has served well because during the twentieth century outside encroachers cleared most of the Amazonian forest. But the past research focus needs to be expanded because native Amazonians are claiming de jure stewardship of the forests they inhabit, and with tighter jurisdiction over those forests will likely come changes in the amount of forest native Amazonians clear. Prior research in rural areas of low-income nations suggests that household income affects household forest clearance. To estimate the effects of household real income on the total forest area (old-growth + fallow) cleared by households we use a panel composed of five annual household surveys (2002-2006, inclusive) from 324 households of a native Amazonian society in Bolivia (Tsimane'). We control for household and village fixed effects and use an instrumental variable for household income. We find positive and significant household real income elasticities of forest clearance of 0.35 and 0.47 and an increase in forest clearance of 5.3%/year. The main finding stood up well to sensitivity analysis. These estimates suggest that in the near future, the forest in the Tsimane' territory will likely face increasing pressure from the Tsimane' themselves, not just from outside encroachers.     

浅析外贸企业的客户信用风险管理

随着我国市场经济和国际贸易的快速发展,信用交易方式已成为外贸企业的主要结算方式之一,随之而来的是企业的信用风险日益加剧。因此如何加强外贸企业的信用风险管理,建立一套适合自身情况的信用风险管理模式,成为外贸企业必须解决的问题。本文介绍了信用风险的相关理论,提出了适合外贸企业的信用额度确定方法,并阐述了外贸企业在信用销售后应该采用的技术控制方法及应该配套制定的信用管理制度。     

关于林权抵押贷款贷款期限的探讨

从林农经济利益角度出发,运用经济分析和数学推理的方法,引入生物生长模型,在分析林木蓄积、林木资产价值和贷款资金的时间价值基础上,确立合理的采伐时间和最佳的采伐时间,进而确立可行的贷款期限和最低贷款期限、最佳的贷款期限。以马尾松为例,进行实际计算分析,得出可行的贷款年限为8～19年,8年为最低贷款年限,19年为最佳的贷款年限。     

涨跌停限制磁性效应加速特征研究——基于中国A股市场高频交易数据挖掘

本文选取中国A股市场1003只股票作为研究对象，运用二次函数模型，通过对考察期内高频数据的挖掘，从收益率和交易量两个层面，分析股票涨跌停前30分钟磁性效应的加速度、加速拐点和加速持续期三个特征。研究发现，收益率和交易量涨跌停前的磁性加速现象显著存在；犬盘股涨停前收益率的加速度与跌停前加速度对称，小盘股收益率涨停前加速度大于跌停前加速度，并且两加速度均大于大盘股；上午涨跌停收益率磁性加速度大于下午涨跌停；上涨过程交易量磁性加速度大于下跌过程；收益率的拐点和加速持续期在同一过程中与交易量的拐点和加速持续期基本一致。     

股份公司股东表决权限缩的激励分析

在股份公司的多方利益相关主体中,股东拥有表决权。一股一权是表决权行使的基本原则,但在公司实践中还存在股东的表决权由于特定原因被限缩的情形,这一现象蕴藏着深刻的激励因素,其中包括产权的赋予和责任的配置。     

在线促销限制对消费者购买决策的影响研究——基于精细加工可能性视角

文章基于精细加工可能性理论探究了在线购物情景中不同促销限制类型（时间限制和数量限制）对消费者购买决策行为的影响。通过2（产品涉入度：高vs低）×2（限制类型：限时vs限量）的组间因子实验设计进行了实证研究,结果发现：在线促销情境下,促销限制对消费者购买决策的影响受到消费者产品涉入度的调节。当产品涉入度高时,消费者偏好时间限制促销,购买意向更高,感知控制感起了中介作用。当产品涉入度低时,偏好数量限制促销,购买意向更高,感知稀缺性起了中介作用。文章丰富了促销理论和消费者购买决策理论,同时为商家进行有效的在线促销提供了直接指导。     

基于Mathematica的中心极限定理的实验分析

基于Mathematica讨论了二项分布与正态分布之间的关系,对棣莫弗-拉普拉斯中心极限定理进行实验研究,通过图像演示和相对误差分析,给出二项分布的极限分布及其相应的准确度分析,并得出了一些计算概率的近似公式.     

国际物流中货物通关效率影响因素分析

货物通关效率是制约我国国际物流发展的一个关键问题,而影响货物通关效率的因素又十分繁杂。本论文系统地分析了影响货物通关效率的重点因素和各个因素现今存在的问题,为进一步的口岸建设规划和货物通关优化研究提供了基础。     

Contesting rural recreation: the battle over access to Windermere

Different forms of recreation are competing increasingly for space to operate, and arbitrating between these competing claims can be fraught with difficulties. This paper examines the recent conflict over attempts to impose a speed limit, and hence prevent power boating and associated activities, on Windermere in the English Lake District. The competing arguments, as presented to a public inquiry, are assessed in the light of the Inspector's verdict on these issues, and the political responses to the verdict. The case is likely to have a much wider significance in terms of land use planning policy in Britain, both in National Parks and rural areas more generally.