Promoting cost efficiency and uniformity in parcel delivery centre locations and service areas: a GIS-based analysis

This paper provides a systematic framework to determine local delivery centre (LDC) locations and service areas to reduce delivery costs and balance the allocation of parcel delivery loads to promote sustainable LDC development. Based on a case study of a parcel distribution company in Korea, this study proposes two strategies for LDC service area delineation within each terminal service boundary that either minimises the total delivery time or balances the allocation of delivery loads. This research contributes to improving cost efficiency and balancing delivery load allocations in planning LDC locations and service areas that can potentially promote the long-term mutual sustainable development of parcel distribution companies and their local delivery counterparts.     

The Impact of Foreign Banks on Monetary Policy Transmission During the Global Financial Crisis of 2008–2009: Evidence from Korea

This article examines the impact of foreign banks on the monetary policy transmission mechanism in the Korean economy during the period from 2000 to 2012, with a specific focus on the lending behavior of banks with different types of ownership. Using bank-level panel data of the banking system in Korea, we present consistent evidence on the buffering impact that the foreign banks, especially foreign bank branches including US bank branches, on the effectiveness of the monetary policy transmission mechanism in Korea from the bank-lending channel perspective during the global financial crisis of 2008–2009.     

在垄断中引入竞争：烟草行业规制改革的路径抉择

在现有的专卖政策和税收体制下,烟草商业企业缺乏竞争机制和生存压力,经营效率和服务水平难以提升。通过对我国石油、电力、电信等垄断行业的比较分析,本文探讨了烟草行业纵向分拆的背景、工业企业横向合并的现实,并基于此提出烟草商业系统引入竞争的理论方案,即通过标尺竞争和南北分拆,推动商业企业走向市场化道路。     

信贷合约内部机理及关键影响因素研究

以信号理论、信息不对称理论、关系型信贷理论以及债务代理成本理论等信贷合约相关理论为基础,围绕信贷合约的内部机理,即内生变量利率、担保和期限三者之闻的相互关系以及影响信贷合约的关键外生变量,提出了本文需要验证的若干核心理论假设,在考虑信贷合约要素利率、担保和期限内生性的情况下,建立了结构方程模型,最后对结构方程模型解的识别进行了验证并给出了结构方程模型的理论求解.     

Does information risk affect the implied cost of equity capital? An analysis of PIN and adjusted PIN

Using a unique dataset of Korean listed companies for which trade initiators are correctly identifiable, we estimate bias-free PIN (probability of informed trading) that is no longer subject to the trade misspecification problem and test whether it is related to expected returns. Unlike prior studies, we find that bias-free AdjPIN, the adjusted PIN purged of a liquidity component, is positively related to implied cost of equity. Our findings suggest that the errors in PIN variables hamper a proper identification of PIN pricing in prior studies.     

稳定币的前沿发展

稳定币是一类新型加密货币,目的是要解决数字货币价格波动过大的问题,来使加密货币进入流通应用。稳定币具有不同的类型,Libra代表着稳定币的未来主流,将惠及全球十多亿无银行服务人群,因而具有强大的生命力;而其匿名性、无边界特征也为监管治理带来了新的挑战。国内对由市场力量主导的数字货币研究开发应当给予必要的规划和重视,充分借助市场主体力量,分散中央银行单独开发的成本和风险。     

高效液相色谱法同时检测染发剂中3种二氨基酚类物质

建立了采用高效液相色谱法同时检测染发剂中3种二氨基酚类物质含量的方法。样品经0．1％甲酸水溶液提取,正己烷净化后,用ZORBAXEclipsePlusC8色谱柱进行分离,流动相为甲醇、乙腈和0．2％庚烷磺酸钠水溶液,梯度洗脱。分离后采用紫外检测器进行检测,外标法定量。在优化实验条件下,3种化合物的线性范围为0．2—10．0mg／L,相关系数均大于0．998。3种二氨基酚类化合物的检出限为0．1mg／L,定量下限为0．2mg／L,加标平均回收率为76．0％-109．8％,相对标准偏差均不高于7．9％。该方法灵敏度高、操作简单高效,适用于染发剂中3种二氨基酚类物质的检测。     

任务型教学法在高职英语应用文写作教学中的构建

如何提高高职学生英语应用文写作能力,课题组成员在教学中采用任务型教学法进行实践与研究,取得了一些成果。