Playing monopoly in the creek: Imperfect competition, development, and in-stream flows

Land ownership and control of development in new and frontier cities is often concentrated. Local public goods, such as wetlands and riparian habitats, can be adversely affected by development. Regulatory pressure to protect these local public goods may not emerge until after some development has occurred. When development rights are insecure, an incentive exists to accelerate early development, an incentive that increases with the number of firms. Further, multiple equilibria may exist, which can result in large increases in development for small increases in the number of firms. When firms are uncertain about how the regulator values the local public good, development may be further accelerated and there may be even more equilibria.     

资本积累下的动态关税模型——基于互补品贸易的分析

本文是对Calzolari and Lambertini(2007)的模型的一个拓展,尝试性地对在考虑到资本积累下的互补产品进行了动态关税分析。该模型建立在Bertrand-Ramsey竞争的微分对策之上(differential game)。分析表明,该模型同样存在两种稳态:"需求驱动"的稳态和Ramsey的"黄金律"稳态。在"需求驱动"的稳态下,如果只考虑本国厂商的利益且税率足够高,政府就会征税,但降低了本国的总福利;在Ramsey的"黄金律"稳态下,征税提高本国总福利,政府也会征税,前提是对方不征收关税。     

Recent Books on Evolutionary Game Theory

Books reviewed in this article
Fudenberg and David Levine, The Theory of Learning in Games
Josef Hofbauer and Karl Sigmund, Evolutionary Games and Population Dynamics
Larry Samuelson, Evolutionary Games and Equilibrium Selection
Fernando Vega-Redondo Evolution, Games, and Economic Behavior
Peyton Young, Individual Strategy and Social Structure, an Evolutionary Theory of Institutions     

Residents' Perception of the 2008 Beijing Olympics: Comparison of Pre‐ and Post‐Impacts

The purpose of this study is to explore any significant differences in residents' perception of the impacts before and after the 2008 Beijing Olympics. The findings of this study revealed that residents' perception of the positive impacts (community investment and improvement of city infrastructure) varied over two points in time, while two negative factors (inflation and tax increase) demonstrated little perceptual change. Residents had high expectations of the benefits that the Olympics would bring to the community, yet those expectations were not met. In fact, the problems caused by the Olympics were neither greater nor lesser than they expected. Copyright © 2012 John Wiley & Sons, Ltd.     

关于广州亚运主会场建筑性质转变的思考

广州亚运会主会场位于广州市黄金节点——海心沙之上,在建设之初被批准为临时建筑。然而随着两年使用期限的到来,这座本应寿终正寝的"匆匆过客"却华丽转身,成功贴上了"永久建筑"的标签,其变身的合法性和公正性受到外界的质疑。临时建筑变身永久建筑、公共绿地变身演艺场所、低密度保护模式变身高强度开发模式,这些变化对海心沙片区的发展和城市的成长带来怎样的影响?文章从空间形态、城市文化、公共政策等视角予以阐述。     

2008年奥运会对学生体育意识影响的研究

文章运用问卷调查法、文献资料法、访谈法、数理统计法等研究方法对广西第一工业学校学生体育意识进行分析和研究。根据存在的问题,依据党的教育方针,结合学生身心发展特点,以提高学生体育运动意识,实现终身体育为目的,提出相应的改进意见（加强中学生体育兴趣的培养和体育习惯的养成;引导正确的体育消费观念;优化体育产品多样性;推动学校和社区的体育场馆建设）,为促进南宁市中职学生体育意识的发展提供一些理论性参考。     

Volunteering for heterogeneous tasks

We model the search for volunteers as a war of attrition. Every player is tempted to wait for someone else to volunteer for the tasks. When tasks are not equivalent, it may be optimal to volunteer quickly to perform an easy task. We analyze the trade-off between volunteering for an easy task and taking the risk of having to perform a more strenuous task in order to get the chance of avoiding all tasks. When the cost of waiting is borne by agents until every task has found a volunteer, we show that it may be optimal to volunteer for the difficult task even if an easier task is available, in order to speed up the process and reduce the costs of waiting.     

基于模糊理论的国际运动会项目风险评价与风险管理研究

任何项目都包含风险,国际运动会也不例外,其中的风险是错综复杂的。弄清国际运动会的风险源,对国际运动会的科学风险评价和会议的圆满成功具有重要的现实意义和科学价值。鉴于国际运动会风险源具有多因素、多层次、非线性的特点,提出了利用模糊数学理论解决风险评价的思路。用模糊数学方法解决国际运动会风险评价问题,就是用数学方法将运动会这一自身带有模糊性的系统数量化。通过对大量世界级运动会的调查和数据分析,构建起了国际运动会风险评价的指标因素体系。运用层次分析法确定了各评价指标因素的相对权重,并借助模糊数学理论建立起国际运动会风险评价数学模型,给出了模拟评价实例与评价过程,提出了国际运动会风险管理策略。     

领导艺术:会展经济成功的关键——以悉尼奥运会为例

21世纪，会展业已成为世界上众多国家新的经济增长点。澳大利亚会展业在本国国民经济中的地位愈加突出。悉尼奥运会已成为其会展经济发展的重要标志。本文通过介绍澳大利亚在悉尼奥运会上获得的商业成功，阐述奥运会对一个国家会展经济产生的巨大影响力和推动力。同时，本文还引入澳大利亚会展管理的成功理念——领导艺术，强调其在悉尼奥运会上发挥的关键作用，同时，重申现代化会展管理理念和专业化领军队伍建设的重要性。     

“后奥运时期”高校竞技体育发展战略研究

以我国成功举办奥运会的大背景为前提,对后奥运时期我国竞技体育体制改革的动力系统和多元化发展趋势,以及普通高校培养高水平运动队所面临的机遇和发展思路进行研究,探讨竞技体育实现多维、多渠道培养优秀运动员的途径。