克服我国房地产业的市场失灵和调控失灵

基于我国城镇土地国有的基本国情,本文从马克思政治经济学视角,围绕目前我国房价过高的问题进行了讨论。依据马克思、恩格斯关于地租的本质、地价对房价重大影响、土地不是普通商品、实行土地国有制等论述及所进行的讨论,本文提出应加强对国有土地公共性质的认识,改变用过度市场化的方法去配置国有土地资源,保护公民的基本土地使用权,完善我国普遍住房保障以及进一步强化发展为人民的执政理念等建议。     

GB5296.3-1995《消费品使用说明 化妆品通用标签》对美发美容职业教学的影响

国家标准ＧＢ５２９６．３的发布，规范了美发美容职业教学中对美发美容用品的论述，促进了教学质量的提高。     

废水中回收磷技术研究进展

重点介绍和分析了目前国内外已开始研究和应用的三种从废水中回收磷的方法，即磷酸钙法，铁盐、铝盐沉淀法及鸟粪石法的技术原理、主要工艺影响因素及其研究进展。     

关键风险因素作用下的综合管廊PPP项目投资可行性分析

近年来,PPP模式在综合管廊项目中得到广泛应用,在减少政府财政压力的同时也加快了改善民生的步伐,但综合管廊PPP项目高成本、低收益的风险降低了社会资本方的投资参与度.本文以社会资本方参与角度确定其承担的主要风险因素,然后基于风险因素与财务指标的关系建立综合管廊PPP项目投资决策模型,运用蒙特卡洛模拟风险因素下的项目现金流量并计算项目的 内部收益率判断项目的 可行性,同时模拟关键风险因素的变动对项目内部收益率的影响程度,确定在不同风险因素变动下项目的 投资边界条件,从而使社会资本方参考其自身条件作出投资决策.最后结合实际案例数据论证了模型的可行性,有效为社会资本方是否参与综合管廊PPP项目的 投资提供参考建议.     

Group Buying Commitment and Sellers’ Competitive Advantages

This paper examines a model of duopoly firms selling to an exogenously formed buyer group consisting of members with heterogeneous preferences. Two research questions are addressed: (1) when is it optimal for a buyer group to commit to exclusive purchase from a single seller, and (2) how does the presence of group buying and the exclusive purchase commitment associated with it affect firms’ incentives to invest in quality improvement? We find that, even though exclusive purchase commitment benefits buyers when the competing products provide similar quality, it may lower buyer surplus if one product is significantly advantaged and/or the competing products are not highly differentiated horizontally. This result is robust even if the buyer group is formed endogenously. In addition, contingent on the similarity between the competing sellers’ investment costs, the sellers’ incentives to improve quality may be positively or negatively affected by the presence of group buying.     

A bibliometric account of Chinese economics research through the lens of the China Economic Review

Very few studies on the assessment and evolution of Chinese economics research draw on quantitative methods, namely bibliometrics. Bibliometrics is a powerful tool that helps to explore, organize and analyze large amounts of information in a quantitative manner. Selecting the most important economic journal focusing on the Chinese economy – the China Economic Review (CER) – we classified and assessed all the (512) articles that have been published in CER from its founding (1989) to December 2010. Based on these articles, and undertaking an exploratory statistical analysis on three databases – a ‘bibliographic’ database (512 articles), a ‘roots’ database (over 10 thousand citations), and an ‘influence’ database (over 3 thousand citations), we concluded that: 1) ‘Economic Development, Technological Change, and Growth’; ‘Economic Systems’, and ‘International economics’ are the most important topics for Chinese economics literature; 2) there is a trend in Chinese economics research for growing ‘rigor’, associated to a noticeable rise in the weight of formal/mathematical-based articles; 3) the ‘International economics’ topic does not influence nor is it influenced by Chinese economics literature; and 4) Chinese economics literature is characterized by a certain level of endogamy, given that its range of influence is rather concentrated (geographically) in China and the USA.     

粮食产业链整合的制约因素及对策研究——以河南省为例

长期以来,粮食产业链整合存在着精深加工程度低、粮食企业规模小、科技水平低下、装备落后、制度不完善等制约因素。为了使粮食产业链稳定高效的运行和发展,应进一步加大政策扶持力度,加快向精深加工转变,积极发展粮食产业社会化服务体系,实施科技兴粮战略,提高创新能力,培育粮食龙头企业,创立名优品牌,加快粮食产业链各环节基础建设等。     

聚醚酰亚胺纳滤膜的性能及应用

采用场发射扫描电镜对聚醚酰亚胺纳滤膜的微观形貌进行了表征,对聚醚酰亚胺纳滤膜的有机溶剂溶胀性、抗压强度、纯水通量、对相对分子质量为180的葡萄糖的截留率和通量,以及膜的耐酸碱性和耐热性等性能进行了系统测试。结果表明,聚醚酰亚胺纳滤膜表面均匀、孔隙较少,在有机溶剂中的溶胀度较小,最佳耐酸碱范围pH值为2.5~11,最大耐受温度为60℃,最大耐受压力为5.0MPa。在室温、0.7MPa的条件下,聚醚酰亚胺纳滤膜的纯水通量为40L/(m2·h),其对相对分子质量为180的葡萄糖溶液的截留率在95%以上,膜通量大于15L/(m2·h)。将聚醚酰亚胺纳滤膜应用于有机体系的浓缩和纯化,达到了提高产品质量和降低生产成本的目的,具有显著的经济效益和社会效益。     

信贷政策传导受阻的体制原因

信贷政策传导机制，简而言之，是中央银行信贷政策意图传导到实体经济中以实现信贷政策目标的渠道。本的分析建立在两个前提之上：货币因素影响实体经济；中央银行可以控制基础货币供应量和基准利率。     

房屋建筑工程施工质量控制的特点

房屋建筑工程施工质量控制的特点是由工程质量特点决定的。而工程质量的特点又表现为工程项目的工程特点和施工特点,所以施工质量控制必须考虑和适应工程项目的工程特点和施工特点,进行有针对性的控制。