铁路入川通道运输组织优化研究

铁路货运量持续增长,全路待发入川车流持续高位运行,分界口能力紧张的问题尤为突出。在阐述铁路入川通道运输组织概况的基础上,针对广元南站北端咽喉进路交叉多、技术站作业超能力、车流结构与机车机班不匹配、车流去向和卸车点集中形成积压堵塞等问题,提出调整广元西口机车机班担当方案、优化编组计划方案、强化站场设备扩能改造、探索新的乘务方式、调整分界口车流结构等优化铁路入川通道运输组织的对策,为实现入川通道车流的大出大入、提高路网整体效率和效益提供参考。     

Too Much of a Good Thing? Visitor Congestion Management Issues for Popular World Heritage Tourist Attractions

World Heritage Sites (WHS) are often popular and primary attractions for a destination for many reasons, in particular the economic benefits they bring in terms of increased visitation and extension of stay. However, without active management to reduce negative impacts, such as congestion, both tourists and the host community can become caught up in a downward spiral of poor visitor experiences and degradation of World Heritage values. Accordingly, this paper examines the nature of congestion and its impact on visitor experience at two popular WHS attractions in Macao. It also provides some insights into Chinese outbound tourist behaviour and visitation patterns. These observations should be of interest to planners and site managers of popular World Heritage attractions elsewhere in the world as China begins to adopt mass international leisure travel.     

中日韩自由贸易区的贸易流量和福利效应分析:一个局部均衡的校准方法

校准方法作为一种确定数理经济模型中的变量和参数的手段之一,在贸易政策的建模研究中得到广泛的应用.本文以局部均衡为基础,利用中日韩三国自1990～2003年共14年的贸易额及相关数据建立校准模型,并对拟议中的中日韩自由贸易区做出比较静态分析,从产业层面来模拟中日韩自由贸易区建成后所可能带来的福利效应.分析结果表明,中日韩三国建立自由贸易区会增加彼此的国民福利水平,并会对未加入贸易协定的其他东亚国家产生影响.因此,在东亚形成更为广泛的自由贸易安排从区域合作的角度来看是一种更佳的合作方式.     

LACK OF RIGOUR IN DEFENDING FAIRTRADE: A REPLY TO ALASTAIR SMITH

Alastair Smith (2009 ) claims to refute a few criticisms of Fairtrade. It is shown that his empirical evidence consists of anecdotes with no statistical or other evidential value, and that his economics is wrong. Though Fairtrade is an agricultural marketing system, he appears not to be aware of the literature on agricultural marketing or co‐operatives. Accordingly he makes statements not in accord with the accepted theory or evidence. He assumes, for instance, backward‐sloping supply curves and that the prices offered by state marketing boards are not affected by markets. There are ethical trading alternatives which avoid all the criticisms of Fairtrade.     

The Location of Comparative Advantages on the Basis of Fundamentals Only

We propose a new way to locate the comparative advantages of two economies linked by international trade. We construct a competitive benchmark based only on the fundamentals of the two economies: endowments, preferences and technologies. The direction of trade is endogenously determined by a linear program with an input-output core. The factor contents of that trade are compared with factor endowments to test the Heckscher-Ohlin model in the presence of different technologies and preferences. We can also evaluate the gains of free bilateral trade. The model is applied to a customs union between Europe and Canada. The Heckscher-Ohlin factor abundance specialization hypothesis is supported by the data.     

How do trade openness,public expenditure and institutional performance affect unemployment in OIC countries? Evidence from the DCCE approach

This study explores the relationship between trade openness, public expenditure, institutional performance, and unemployment in member countries of the Organization of Islamic Cooperation (OIC) (formerly the Organization of the Islamic Conference). The conventional panel data techniques overlook cross-sectional dependence and yield-biased results. A new methodology called dynamic common correlated effects (DCCE) is employed to deal with the issue of cross-sectional dependence. The long-run results demonstrate that trade openness is inversely and significantly associated with overall unemployment and youth unemployment in lower-income as well as all the OIC economies and positively correlated in the higher-income OIC group. Public expenditure has an inverse and significant correlation with unemployment in OIC countries overall and higher-income OIC countries. Moreover, institutional performance and foreign direct investment are negatively related to unemployment in all OIC economies. The research shows the need for the continuation of open trade policies, strong institutions, and higher public expenditure in the OIC countries in order to decrease overall unemployment—in particular, youth unemployment.     

新中国初期中国共产党对城市基层社会组织重构的历史启示

新中国初期,中国共产党对城市基层社会组织进行了大规模的重构,并且取得了巨大成功.通过对新中国初期城市各类基层社会组织重构进程的历史考察,我们可以得到以下几方面的启示:强势政权的建立、政权组织的下移与城市基层政权组织的强化是当时成功实现城市基层社会组织重构的基础与前提;城市基层社会的全面组织化是当时实现城市社会整合的强大...