中国人口性别比偏高的成因与影响分析

中国的人口性别比自20世纪80年代已经超过106的警戒线,近十几年来婴儿出生性别比过高的趋势有进一步加剧的倾向。拟从影响人口性别比的三个方面即婴儿出生性别比、两性保存几率的差异和人口迁移,特别是婴儿出生性别比方面分析中国人口性别比偏高的形成原因以及可能带来的社会问题,并有针对性地提出解决人口性别比偏高问题的政策建议。     

中国商业银行全要素生产率分析——基于三阶段Malmquist指数模型

本文运用三阶段Malmquist指数对我国商业银行2004—2008年的全要素生产率变化情况进行研究。研究结果表明,环境变量对我国商业银行的投入变量有显著的影响,传统的Malmquist方法高估了我国商业银行全要素生产率变化指数、技术进步变化指数以及技术效率变化指数;我国银行业在2004—2008年间出现了全要素生产率的改进,这主要源于技术进步的作用;金融危机的爆发使得我国银行业整体生产率大幅度下降,但对国有商业银行的影响要小于对股份制商业银行的影响。     

Drastic innovations and multiplicity of optimal licensing policies

Considering the licensing of a drastic cost-reducing innovation by an outside innovator in an n-firm Cournot oligopoly, we show that when the innovator uses combinations of fees and royalties, there are either n − 1 or n optimal licensing policies.     

The role of generally accepted reporting methods in the public sector: An empirical test

This study explores the role of standard or generally accepted accounting and reporting methods in the public sector. It differs from prior studies that address public sector accounting issues in that it considers more directly how the political process influences decisions to report financial information. The primary contention is that adopting standard reporting methods reduces costs to public officials that arise from factors that characterize political markets. Empirical evidence based on data from the state governments is consistent with this contention, but theoretical and methodological problems restrict our ability to ascertain which specific factors are relevant.     

杀菌剂现场投加方案优化

通过对胜利油田注入水SRB含量的现状调查,分析影响SRB达标率的主要原因。通过现场投加方式的优化,有效控制系统SRB的滋生,保证水质沿程稳定。     

中国省域经济综合效率分析——基于三阶段DEA模型的研究

本文运用Friedetal(2002)所提出的三阶段DEA分析法,在此基础上引入空间地理变量,修正了环境变量与随机干扰等因素的影响,对2003～2007年间我国30个省级区域经济增长效率进行了实证分析。研究发现,近几年东部地区经济继续保持高速稳定发展,西部地区和中部地区的经济也有了较好的转变,整体层面上我国经济发展的综合效率逐渐趋同。我们应着眼当前经济发展的特点,在保持东部地区经济稳定增长的同时,加大对中西部地区经济发展的投入,以解决我国区域经济发展的不平衡问题。     

城市色彩相关影响要素分析研究——以长沙为例

城市色彩是城市规划设计中必不可少的一部分,但是其起步比较晚。国外已经有一段时间的发展,而国内还属于起步期。城市色彩包括土地、植被等自然环境色彩,生活的常用色彩等人文色彩,建筑物、广告、交通工具等人工色。本文主要研究关于城市色彩设计方面的一些影响因素,并以长沙设计规划实际例子来分析研究这些因素。     

Revealed preferences for car tax cuts: an empirical study of perceived fiscal incidence

In this paper, the authors examine the economic and policy implications of the National Football League (NFL) ‘blackout rule,’ a league rule that prohibits local television broadcast of games that are not sold out at least 72 hours prior to game time. The foundation for understanding and assessing the impact of the blackout rule is an analysis of attendance using data on games during the 1996–1997 National Football League season. Expanding on previous research, three separate components of attendance (season ticket sales, game day ticket sales, and game day noshows) are examined in detail. Accounting for the endogeneity of key variables, Tobit and Probit analyses are used to estimate and predict individual game attendance. These empirical estimates are then used as a vehicle to assess the implications of game day blackouts and the potential for public policy intervention. More specifically, the authors begin by estimating the impact of the blackout on game day attendance. Using these estimates, they assess the implications of imposing a local blackout for individual team revenues. The gain in on-site stadium revenue due to the blackout (e.g., through additional ticket and concession sales) are then viewed in the broader context of the societal loss due to the game not being broadcast in the local area. The empirical results suggest that the gain in team revenue is small in comparison to the loss of viewership rights. This suggests that public policy intervention may be possible that would result in a Pareto superior market outcome. The paper concludes by exploring possible intervention strategies.