酒泉市水资源现状及面临的问题与对策

该文通过对酒泉市水资源现状及利用情况的研究,分析了水资源利用面临供需矛盾、地下水超采严重、利用率低、管理不规范、导致生态环境持续恶化等问题,提出了水资源可持续利用的合理对策和保护措施。     

我国生猪区域发展研究

该文分析了生猪区域布局演变,从生态、技术条件等方面分析影响生猪区域布局的形成,研究长江中下游、黄淮海、东南沿海、东北4个不同区域生猪发展重点,提出相应区域发展战略。并提出加大投入,完善补贴政策等4项发展措施。     

福建现代农业主体功能区划研究

该文首先从农产品供给功能、农业社会功能、农业文化功能、农业生态功能等4个方面对福建农业功能进行评价;根据农业功能评价结果,将福建划分为3个农业功能分区,描述了各个功能分区的特征;提出福建海西现代农业可持续发展的政策建议。     

Price monotonicity violations during stock market crashes: Evidence from the SSE 50 ETF options market

This study empirically tests whether price violations, as defined by Bakshi, Cao, and Chen (2000), show different patterns in response to market shocks. Specifically, we analyze the Chinese options market during a period covering a stock market crash and a series of trading restrictions in the Chinese derivatives markets. Our results confirm the significant changes of the defined violations in the face of unexpected shocks, and more importantly, we interpret such variations from the perspective of information spillovers. Our findings suggest that the stock market crash prompts informed traders in the Chinese options market to frequently adjust their positions on put options, exacerbating the misunderstandings and overreactions to new information. Further, the regulatory shock in the derivatives markets diminishes the efficiency of information incorporation for both options and spot markets but does not affect the dominance of the Chinese options market in price discovery.     

城镇居民金融资产与不动产财富效应的比较分析

城镇居民两种资产的财富效应呈现三个特点:一是住房资产的财富效应大于金融资产的财富效应;二是两种资产的财富效应差别不大;三是两种资产的财富效应较微弱。这表明:第一,住房对消费具有一定的支撑作用;第二,金融资产增值性不强和股市的波动限制财富效应的发挥;第三,较强的流动性约束制约住房资产的财富效应;第四,消费的过度敏感性使资产财富效应微弱。为了通过财富效应来促进消费,必须维持股市和房地产市场稳定的预期,大力发展金融市场,抑制住房价格的过快增长并促进住房市场平稳发展。     

国有独资企业中的双重治理结构

文章在对国有独资企业调研的基础上,讨论了国有独资企业现行治理结构的主要弊端,经过分析认为:国有独资企业治理效率低下的主要根源之一是其内部存在的双重治理结构,双重治理结构在运作中的矛盾与冲突导致了其显性治理结构的虚置。作者认为国有独资企业的下一个改革目标应是调整双重治理结构的职能与运作方式,提高国企治理结构的有效性。     

Cooperative goals and team performance: Examining the effects of advice network

Based on the theory of cooperation and competition, this study examines the relationships between cooperative goals, advice network, and team performance, and their boundary conditions. Based on multi-source data from 189 teams in a military organization, results indicate that cooperative goals positively influence team performance via advice network density. Moreover, advice network centralization moderates the relationship between advice network density and team performance. In addition, advice network centralization moderates the indirect effect of cooperative goals on team performance via advice network density.     

产业链整合对建筑工业化协同创新绩效的影响研究

市场竞争日趋激烈,创新过程日益复杂,协同创新成为主流的创新范式。而我国建筑工业化正处于创新驱动发展不足的初级阶段,如何通过产业链整合实现建筑工业化的协同创新,进而提高创新绩效是值得研究的问题。本文从产业链整合着手,探讨建筑工业化的技术链整合、产品链整合、创新协同性、创新绩效之间的相互影响关系。首先根据理论分析提出假设,然后运用26家代表性企业的278份问卷作为样本数据进行验证。实证分析表明：产业链整合对创新协同性、创新绩效均有正向显著作用;技术链整合在产品链与创新协同性之间、创新协同性在产业链整合与创新绩效之间起完全中介作用;政策在产品链整合与创新协同性之间起正向调节作用,而在技术链整合与创新协同性之间的调节作用却不显著。研究结论对于建筑工业化政策制定、产业链完善、企业管理等方面具有重要意义,同时展望了需要进一步关注的方向。     

Carbon Management Systems and Carbon Mitigation

This article proposes a carbon management system (CMS). The system comprises 10 essential elements from four broad perspectives: carbon governance, carbon operation, emission tracking and reporting, and engagement and disclosure. The proposed new approach focuses on cross‐functional integration, enforcement of proactive strategies and group rather than individual accountability. We then use Carbon Disclosure Project reports to examine empirically the implementation of systems by large Australian firms. Overall, we find that firms with higher quality CMS have achieved better carbon mitigation. Further, adequate assessment of carbon risk and opportunity, the presence of reduction targets, the strength of carbon programs and enhanced external disclosures appear to be the most effective elements in our sample firms. We present evidence that, by combining governance, internal process, carbon dioxide‐footprint tracking and communication activities, a CMS helps managers improve decision making. We discuss the implications of the findings for accounting practice and education.     

Rumor Clarification and Stock Returns: Do Bull Markets Behave Differently from Bear Markets?

This paper analyzes the effects of official rumor clarification on Chinese stock returns under different market conditions. The results show that the average cumulative abnormal return after the clarification event is significantly positive in a bull market, and significantly negative in a bear market. The results are robust across various types of rumors, including rumors of mergers and acquisitions, asset restructuring, and positive changes in a firm's operations. Moreover, in both bull and bear markets, investors are unable to distinguish between rumors that prove true and those that prove false, or between strong and weak rumor denial. Furthermore, investors are also unable to adjust their strategies accordingly.