承销商声誉、信息不对称和新股抑价:基于板块的新发现

我们采用2004年到201 1年上市的1,025个新股样本检验了承销商声誉和新股抑价程度之间的联系.我们发现,虽然新股抑价程度和承销商声誉表面上存在负相关,但是一旦控制了和板块相关、和年份相关的固定效应以后,这一负相关的显著性明显减弱甚至消失.我们还发现,主板新股抑价程度随着承销商声誉的提高而增加,中小板和创业板新股抑价程度则随着承销商声誉的提高而降低.对于相同的承销商声誉,中小板新股抑价程度的降低幅度似乎要大于创业板新股.我们认为这些结果和承销商声誉假说是不一致的,承销商没有起到降低信息不对称成本的作用.     

A research of material input and environmental impact for Chinese economy： 1990-2005

The process of economic activities is on the basis of tremendous material inputs. China has been discharging an enormous amount of waste, giving rise to a wide range of environmental impacts. The method of economy-wide material flow analysis （EW-MFA） is one of the effective tools to examine the flow of materials entering physical economies, and recognize early environmental problems. Relevant researches are still at the early stage in China and most focus on material throughput but are rarely concerned about the utilization of recycling resource and environmental impact. Based on more than 3,000 items of data related, materials entering Chinese economy are classified into three types, and then the characteristics of material input and environmental impact are presented for the years 1990-2005 by using the indicators derived from EW-MFA. The Ratio of Recycled Material （RRM） is added as the new indicator in order to be in accordance with the need of circular economy being promoted in China. Results show that the great changes in the structure of material input cause the continuous increase of industrial solid waste emissions and the bogging down of material productivity. The RRM reveals that the utilization of recycling resources remains at a fairly low level in China. Finally, some weakness of EW-MFA is discussed according to the calculated results.     

山东中小企业温暖过冬

一场金融疾风暴雨,令全世界进入寒冬.在华尔街金融危机波的不断漫延下,同属世界金融体系的中国不可能独善其身.基于稳定经济局势,中国央行最近迅速转变了此前的从紧政策,下调两率,推出了一系列缓解中小企业融资难题的政策,意在增强中小企业的抗风险能力.     

突破菏泽——山东实施“西部大开发”

3月初的菏泽还有些凉意,但一股浓浓的春意此时已经传遍了菏泽的大街小巷.     

Imperfect price discrimination, market structure, and efficiency

Abstract.  We introduce a flexible third‐degree price discrimination framework by modeling the information firms possess about consumers' locations (preferences) on the Salop circle as a partition. Higher information quality is translated into a partition refinement. In the limit, we obtain the perfect price discrimination paradigm. We show that the free‐entry equilibrium number of firms exhibits a U‐shape as a function of the quality of information. This implies that imperfect price discrimination generates the most efficient free‐entry outcome. JEL classification: D43, L11, L43     

Private and Social Incentives for Vertical Contract Disclosure

We follow the framework in Arya and Mittendorf's 2011 Rand Journal of Economics paper but extend their analysis by investigating supplier(s)' equilibrium choices of disclosure or confidentiality regarding their contract terms with the downstream retailers. In the case of a common supplier, we find that the unique subgame perfect Nash equilibrium (SPNE) is for the supplier to choose disclosure. This private incentive is opposite to social incentive, which calls for the regulator to choose confidentiality. In the case of dedicated suppliers, however, there are multiple SPNE due to coordination issues between the suppliers. The case which maximizes social surplus – disclosure – can be supported as a SPNE, together with the case of confidentiality, which maximizes supplier profits at the cost of everyone else. Copyright © 2014 John Wiley & Sons, Ltd.     

聚焦“名牌山东”发展战略

有经济学家坦言:名牌最终将是一个城市和地区的生命力和代名词。品牌是市场经济条件下最重要的一种无形资产,品牌经济是最具市场竞争力的一种经济增长方式,是城市核心竞争力的体现。在山东,一个旨在用以强省的“名牌山东”发展战略正在快步行进中。山东半岛崛起一个消息让全国关注:长江三角洲地区的上海、浙江、江苏的生产总值、规模以上工业增加值、固定资产投资、外商直接投资、信贷等5大核心经济指标增长速度,上半年都纷纷回落,有的甚至低于全国平均水平。这是近十年来,长江三角洲经济首次出现整体增速“滑落”迹象。与此相对应的是,上半…     

Information markets, product markets and vertical merger

In many markets, firms have the option of advertising at price comparison sites to broaden their market reach. Such sites are often controlled by profit-maximizing “information gatekeepers” charging advertising fees. This paper considers vertical merger between such a monopoly information gatekeeper and a firm in the product market. We find that: (i) If the integrated firm can act as a price leader before independent firms make advertising and pricing decisions, then the merger is profitable. (ii) If the integrated firm cannot move first, then the merger is unprofitable, or divestiture is optimal in the case where the firm has already created the gatekeeper. As a result, the merged entity has an incentive to invest in technologies to support a price leader.     

对资源性国有资产管理的若干思考

对资源性国有资产进行管理是我国国有资产管理的重要内容。我国目前对资源性国资产管理主要包括对资源的产权界定、资源的勘探与开发利用等方面。由于当前的资源性国有资产管理体制的不完善，导致我国的资源性国有资产的管理中出现了很多问题，以此我们应当健全资源管理方面的法律法规，建立统一的资源性国有资产管理机构，并对资源性国有资产实行资产化管理，从而达到完善现有的资源性国有资产管理体制的目的。     

王革——从留美博士到民营企业家

几年前就听说王革了,当时的他占了归国留美博士和自主创办高科技企业两个社会热点,其知名度可想而知。几年下来,身为山东元隆生物技术有限公司董事长的王革又多了几个头衔:第十届