Assessing impact of land uses on land salinization in the Yellow River Delta,China using an integrated and spatial statistical model

Intensification of agriculture and industry in salinized areas poses a risk of secondary salinization. Thus, comprehensive and spatially explicit assessments are needed to assist government in developing ecologically sound policies. Few assessments have comprehensively quantified the impacts of multiple anthropogenic activities on salinization as environmental interferences and salinity autocorrelation are largely neglected. This study tried to perform such an assessment by identifying the nature of human impacts on salinization from three aspects in the Yellow River Delta (YRD) of China. A versatile GIS-based spatial autoregression (SAR) was applied to nine selected explainable variables in six sub-region models. Sub-region model was verified as an effective tool of normalizing environmental interferences because more useful spatial information was provided compared to the whole region model. GIS-SAR model fit better and performed better in quantifying human activities, compared to the conventional ordinary least square regression (OLSR) model, as SAR can deal with spatial autocorrelation in soil salinity. Among the well-defined key determinants, oil exploitation and saline aquaculture were aggregative to salinization but only in originally highly saline sub-regions, such as coastal zone and Gleyic Solonchaks (coastal saline moisture soil) area. Two agricultural activities, crop plantation and fertilization, were mainly ameliorators in most sub-regions. The most effective salinization alleviation occurred in moderately saline sub-regions, such as floodplain and Salic Fluvisols (saline moisture soil) area, which benefitted from the development of agroforests and farm ponds. The SAR sub-region model is spatially explicit for spotting the hazardous areas and some suggestions were also provided for the policy makers.     

A study of secondary spectrum use using agent-based computational economics

Wireless communication relies on access to the radiocommunications spectrum. A series of high-priced spectrum auctions has indicated that there is a scarcity or an inefficient use of spectrum resources. This paper presents an Agent-based Computational Economics (ACE) model designed to study the secondary use spectrum market, which improves spectrum usage by allowing incumbent spectrum users to lease unused portions of their assigned spectrum to third parties who could put them to a better use. In this paper, we are particularly interested in the conditions under which such a market is likely to emerge.     

新视野新理念指导下的企业人力资源管理

根据能力分配权力,根据素质分配岗位,根据贡献分配收益,根据企业发展需要定机构、定编制,全员覆盖、全面提高职工素质。用科学发展观的新视野、用构建和谐社会的新理念,提升人力资源的管理水平。     

中国金融资源配置效率不均衡对地区经济差距的影响——基于南北视角分析

本文探究了我国金融资源配置效率不均衡对地区经济差距的影响。基于我国2001至2020年间的省级数据对金融资源配置效率进行测算，利用Dagum基尼系数测度了金融资源配置效率的空间非均衡特征，通过二次指派程序（QAP）从全样本期和不同时期考察了金融资源配置效率对地区经济差距的影响，并尝试从南北视角对上述结果进行解释。本文的研究表明：我国金融资源配置效率具有明显的空间不均衡特征，表现为南高北低的“阶梯式”分布格局。全国金融资源配置效率对地区经济差距在全样本期考察和分期考察中均存在明显影响，在南北地区中，影响强度存在差异，南方地区虽更早的享受到了金融资源配置效率提高促进经济协调发展的红利，但其影响强度整体低于北方地区。     

Shaking hands with common foes: Clique premium and information diffusion in private equity networks

The fastest growing segment of private equity deals is secondary buyouts (SBOs) sales from one private equity (PE) firm to another. We operationalize a novel FactSet database to map the network structures of secondary buyouts between PE firms. We offer three contributions. First, after controlling for economic covariates, we find that PE firms are almost three times more likely to transact if they share a partner, that is both firms belong to the same clique. Second, we find that the profitability of such transactions is unambiguously higher relative to the baseline only if these are the result of repeated interaction between firms belonging to the same cliques. In other words, a clique premium exists under repeated interaction. Third, we provide evidence that the economic incentive at the core of clique premium may be related to access to information. In fact, we show that information related to transactions diffuses through the network, with 23% and 16% of the information going one and two steps beyond transacting parties, respectively.     

基于创新主体视角的专利交易差异与区域网络研究

专利交易是创新主体回收研发成本、形成创新良性循环的重要途径。基于创新主体视角深入探讨专利交易差异及区域网络有利于不同创新主体制定差异化专利交易政策，从而加快实现创新引领经济高质量发展。采用统计分析法和社会网络分析法，以2018年中国专利许可与转让数据为研究对象，探讨各类创新主体专利交易差异与专利区域流动网络。研究发现:①不同类型创新主体专利交易特征不同，创新主体类型不同，相关专利特征也不同；②不同类型创新主体对区域经济的影响作用不同，高等院校和科研机构主要对当地经济发展产生积极影响，企业和个人则对多地甚至全国技术发展具有积极影响。因此，不同类型创新主体应整合内外部资源，通过合作研发扩大专利交易范围；政府应建立完善的专利交易评价体系和专利服务体系，推动科技成果转化与应用。研究结论有利于促进不同类型创新主体科技成果转化，为加快创新型国家建设提供参考。     

论经济法可诉性的完善——以经济审判庭撤销为视角

完善经济法诉讼制度对实现经济法的价值具有重要意义。但经济审判庭的撤销和传统诉讼制度的不足,使经济法可诉性在司法实践上陷入了盲区。经济法法律规范中亦存在大量经济法不可诉性的情形。基于此,为完善经济法的可诉性,在程序上建立经济特别程序,实体上明确规定经济诉权,建立经济法责任制度。