An empirical analysis of the relationship between the hedge ratio and hedging horizon: A simultaneous estimation of the short‐ and long‐run hedge ratios

This article analyzes the effects of the length of hedging horizon on the optimal hedge ratio and hedging effectiveness using 9 different hedging horizons and 25 different commodities. We discuss the concept of short‐ and long‐run hedge ratios and propose a technique to simultaneously estimate them. The empirical results indicate that the short‐run hedge ratios are significantly less than 1 and increase with the length of hedging horizon. We also find that hedging effectiveness increases with the length of hedging horizon. However, the long‐run hedge ratio is found to be close to the naïve hedge ratio of unity. This implies that, if the hedging horizon is long, then the naïve hedge ratio is close to the optimum hedge ratio. © 2004 Wiley Periodicals, Inc. Jrl Fut Mark 24:359–386, 2004     

QUADRATIC TERM STRUCTURE MODELS FOR RISK-FREE AND DEFAULTABLE RATES

In this paper, quadratic term structure models (QTSMs) are analyzed and characterized in a general Markovian setting. The primary motivation for this work is to find a useful extension of the traditional QTSM, which is based on an Ornstein–Uhlenbeck (OU) state process, while maintaining the analytical tractability of the model. To accomplish this, the class of quadratic processes, consisting of those Markov state processes that yield QTSM, is introduced. The main result states that OU processes are the only conservative quadratic processes. In general, however, a quadratic potential can be added to allow QTSMs to model default risk. It is further shown that the exponent functions that are inherent in the definition of the quadratic property can be determined by a system of Riccati equations with a unique admissible parameter set. The implications of these results for modeling the term structure of risk-free and defaultable rates are discussed.     

我国县域商业网点布局存在的问题及对策

在县域商业网点布局中,普遍存在着诸多问题,成为困扰县域商贸流通业发展的障碍。全面剖析这些问题,找到相应的对策,对加强县域零售商业的科学化管理,有效配置资源,增强商业的竞争力,促进县域经济的可持续发展具有重要意义。     

外贸服务公司如何开展质量管理体系审核

旧版（９４版）IS０９００１标准采用的结构是供方产品质量环形成的２０个要素的编排方式，强调体系要素对应的符合性。服务业实施此标准，对某些要素不好把握。２０００版IS０９００１标准以“过程方式”为基础构架了质量管理体系，引导组织以满足顾客要求和符合法律法规为基本出发点，把PDCA循环融入每一个过程的管理之中，适合了服务业产品／服务的提供过程。我国在加入WTO三年后，外贸将放开经营，实施登记许可制度。因此随着外贸垄断格局的进一步打破，专业外贸公司在融资能力、专业人才等方面的优势不复存在。上述的外因、内因使…     

在虚拟的刀光剑影中游走

阴霾的天气容易让人想不开，城市的纷乱，多少有些无奈。而有些人可以抛弃环境的影响，逃遁或者投入到美妙的图景中。     

黑龙江省医药销售企业现代化管理刍议

黑龙江省各医药销售企业规模日益扩大,伴随着信息技术在各行各业日益深入的应用,传统的手工记账已经不能满足日益增加的业务量的需要及进行有效控制和管理的需要.因此,应用现代财务软件已经势在必行.     

燃气热水器步入万和时代？

近日,一个并不起眼的换届选举却引起了社会各界的广泛关注。记者从四川成都举行的“中国五金制品协会燃气用具分会第三届会员代表大会”中获悉,民营企业出身的广东万和集团成为新一届理事长单位,其集团总裁卢楚其先生被选举为第三届理事会理事长。万和如何带领中国热水器改天换地,颇令人关注。万和能带雁群突围?20年前,玉环、沈乐满、神州、万家乐四大家族瓜分天下;随后的神州、万家乐、万和三足鼎立的短暂过渡;上世纪90年代末,全国市场只剩下万家乐、万和两强争霸,燃气热水器行业似乎在演绎“双雄争霸”之路。万和最终的胜出使燃气热水器初…     

项目融资模块间关联研究及实证分析

本文从项目融资框架结构出发,对项目融资模块之间的相互联系及影响进行了系统分析。并以加拿大塞尔加纸浆项目为例,说明项目融资模块之间是如何相互影响和相互作用的。     

ALL THINGS CONSIDERED,TAXES DRIVE THE JANUARY EFFECT

The multitude of explanations for the January effect leaves the reader confused about its primary cause(s): is it tax‐loss selling, window dressing, information, bid‐ask bounce, or a combination of these causes? The confusion arises, in part, because evidence has generally been presented in support of a particular hypothesis though the same evidence may be consistent with another hypothesis. Furthermore, prior work does not adequately control for the bid‐ask bounce. In this article we try to disentangle different explanations of the January effect and identify its primary cause. We find that tax‐related selling is the most important cause, overshadowing other explanations.     

假转让技术真转让国有资产

国有资产流失长期以来一直是困扰国企改革和发展、政府进行国有资产管理的重大问题。近年来,国有资产的流失更是呈加剧之势头,一些人打着“改制”、“转制”的幌子,大肆鲸吞国有资产! 本期刊登的两个案例,都是关于此类现象的。这些国有资产流失的形式,大都被披上了合法的外衣。第一个案例,当事者通过“合同”的形式,猫鼠同窝,合同双方恶意串通,将国有资产无偿“转让”;第二个案例中,当事者串通中介,虚假评估,以实现廉价“收购”国有资产及避税的企图。涉及金额之巨大,手法之巧妙,触目惊心。 毫无疑问,这样的交易背后往往隐藏着惊人的腐败,隐藏着贪污、受贿、行贿、玩忽职守等严重的违法犯罪。审计人是国有资产的卫士,顺着此类“交易”的蛛丝马迹,层层剥茧,从而抓住了作奸犯科者的狐狸尾巴,把侵吞国有资产案件大白于天下。