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CVA and FVA to Derivatives Trades Collateralized by Cash 现金抵押衍生品交易的CVA和FVA
Pub Date : 2013-02-03 DOI: 10.2139/ssrn.2211347
Lixin Wu
In this paper, we consider replication pricing of derivatives that are partially collateralized by cash. We let issuer replicate the derivatives payout using shares and cash, and let buyer replicate the loss given the counterparty default using credit default swaps. The costs of funding for replication and collateral posting are taken into account in the pricing process. A partial differential equation (PDE) for the derivatives price is established, and its solution is provided in a Feynman–Kac formula, which decomposes the derivatives value into the risk-free value of the derivative plus credit valuation adjustment (CVA) and funding valuation adjustment (FVA). For most derivatives, we show that CVAs can be evaluated analytically or semi-analytically, while FVAs as well as the derivatives values can be solved recursively through numerical procedures due to their interdependence. In numerical demonstrations, continuous and discrete margin revisions are considered, respectively, for an equity call option and a vanilla interest-rate swap.
在本文中,我们考虑部分由现金担保的衍生品的复制定价。我们让发行者用股票和现金来复制衍生品支付,让买方用信用违约掉期来复制交易对手违约的损失。在定价过程中考虑到复制和附带登载的资金费用。建立了衍生品价格的偏微分方程(PDE),并用Feynman-Kac公式求解,该公式将衍生品价值分解为衍生品无风险价值加上信用估值调整(CVA)和融资估值调整(FVA)。对于大多数导数,我们证明了cva可以解析或半解析地求值,而fva和导数值由于相互依赖而可以通过数值过程递归求解。在数值演示中,分别考虑了股票看涨期权和普通利率掉期的连续和离散保证金修正。
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引用次数: 12
Response to the Financial Stability Board's Request for an Engineering Study on the Best Approach to Managing the Structure and Issuance of Legal Entity Identifiers (LEIs) 对金融稳定委员会要求就管理法人实体标识符(lei)的结构和发行的最佳方法进行工程研究的回应
Pub Date : 2012-10-07 DOI: 10.2139/ssrn.2197269
J. Braswell, L. Lannom, A. Milne, Jim Northey, N. Paskin, K. Traub
This paper is a joint response on the part of the authors to a request from the G-20 Financial Stability Board (FSB) for an engineering study to determine which scheme for the management of ISO 17442-compliant Legal Entity Identifiers (LEIs) best serves the purposes of the global LEI system that is being developed under the auspices of the G-20 FSB with the active contributions and participation of the Private Sector Preparatory Group (PSPG). While there are a range of different schemes to manage the issue of identifiers that fit the characteristics of the 18 digit number (plus two check digits) approach outlined in the ISO 17442 standard, for simplicity the representative schemes considered and evaluated were categorized into two general groups: -- An unstructured numbering system – an 18 character random unique identifier fills the whole numbering spectrum; -- A structured number – one where subsets of the spectrum are partitioned according to a structural guideline; for instance, an N digit prefix. Each subset is assigned to a different LEI "Local Operating Unit" (LOU, or LEI Registrar) for exclusive use. The consensus view of the joint authors is that a structured identification number is crucial for supporting decentralized local decision‐making and hence maximum adoption of the standard. This view is supported by actual practice in the management of existing global identity standards. All the existing federated global identification standards of which the authors are aware (e.g., DOI, GS1, Media Access Control [MAC address], Internet Protocol [IP and IPv6], EIDR ) , use a structured solution in order to allow maximum possible flexibility of local members in the allocation of identities. The authors have not, in contrast, been able to find any examples of unstructured global federated identifiers. Successful federated global identification standards have found it necessary to adopt a structured numbering system, and this paper supports that view and recommends that a domain-partitioned scheme for the management and issuance of ISO 17442-compliant Legal Entity Identifiers by a globally federated network of LEI registrars (a.k.a. Local Operating Units, or LOUs) be adopted.
本文是作者对20国集团金融稳定委员会(FSB)要求进行一项工程研究的联合回应,以确定哪种符合ISO 17442标准的法律实体标识符(LEI)管理方案最符合全球LEI系统的目的,该系统正在20国集团金融稳定委员会主持下开发,私营部门筹备小组(PSPG)积极贡献和参与。虽然有一系列不同的方案来管理符合ISO 17442标准中概述的18位数字(加上两个校验数字)方法特征的标识符问题,但为简单起见,考虑和评估的代表性方案分为两大类:非结构化编号系统- 18个字符随机唯一标识符填充整个编号频谱;——一个结构化的数字——其中频谱的子集是根据结构准则划分的;例如,N位前缀。每个子集被分配到不同的LEI“本地操作单元”(LOU,或LEI注册器),以供独占使用。联合作者的共识是,结构化标识号对于支持分散的地方决策至关重要,因此可以最大限度地采用该标准。这一观点得到了管理现有全球身份标准的实际实践的支持。作者所知道的所有现有的联邦全球识别标准(例如,DOI, GS1,媒体访问控制[MAC地址],互联网协议[IP和IPv6], EIDR)都使用结构化解决方案,以便允许本地成员在身份分配方面具有最大的灵活性。相比之下,作者还没有找到任何非结构化的全局联邦标识符的例子。成功的联合全球标识标准发现有必要采用结构化编号系统,本文支持这一观点,并建议采用域划分方案,通过LEI注册商(又名本地操作单位,或lou)的全球联合网络来管理和发布符合ISO 17442的法律实体标识符。
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引用次数: 2
Click or Call? Auction Versus Search in the Over-the-Counter Market 点击或呼叫?场外交易市场的拍卖与搜索
Pub Date : 2012-09-04 DOI: 10.2139/ssrn.1961350
T. Hendershott, Ananth Madhavan
type="main"> Over-the-counter (OTC) markets dominate trading in many asset classes. Will electronic trading displace traditional OTC “voice” trading? Can electronic and voice systems coexist? What types of securities and trades are best suited for electronic trading? We study these questions by focusing on an innovation in electronic trading technology that enables investors to simultaneously search many bond dealers. We show that periodic one-sided electronic auctions are a viable and important source of liquidity even in inactively traded instruments. These mechanisms are a natural compromise between bilateral search in OTC markets and continuous double auctions in electronic limit order books.
场外交易(OTC)市场主导着许多资产类别的交易。电子交易是否会取代传统的场外“语音”交易?电子系统和语音系统能共存吗?什么类型的证券和交易最适合进行电子交易?我们通过关注电子交易技术的创新来研究这些问题,该技术使投资者能够同时搜索许多债券交易商。我们表明,即使在交易不活跃的工具中,周期性单边电子拍卖也是一种可行的重要流动性来源。这些机制是场外交易市场的双边搜索和电子限价单上的连续双重拍卖之间的自然妥协。
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引用次数: 120
Credit Default Swaps Drawup Networks: Too Tied to Be Stable? 信用违约互换(cds)草拟网络:过于紧密而不稳定?
Pub Date : 2012-08-06 DOI: 10.2139/ssrn.2198947
Rahul Kaushik, S. Battiston
We analyse time series of CDS spreads for a set of major US and European institutions on a pe- riod overlapping the recent financial crisis. We extend the existing methodology of {epsilon}-drawdowns to the one of joint {epsilon}-drawups, in order to estimate the conditional probabilities of abrupt co-movements among spreads. We correct for randomness and for finite size effects and we find significant prob- ability of joint drawups for certain pairs of CDS. We also find significant probability of trend rein- forcement, i.e. drawups in a given CDS followed by drawups in the same CDS. Finally, we take the matrix of probability of joint drawups as an estimate of the network of financial dependencies among institutions. We then carry out a network analysis that provides insights into the role of systemically important financial institutions.
我们分析了一系列美国和欧洲主要机构在与最近的金融危机重叠的时期内CDS息差的时间序列。我们将现有的{epsilon}-drawup的方法扩展到联合{epsilon}-drawup的方法,以估计点间突然协同运动的条件概率。我们对随机性和有限大小效应进行了校正,发现某些CDS对的联合回撤的显著概率。我们还发现了显著的趋势约束概率,即在给定的CDS中,随后在相同的CDS中出现回撤。最后,我们将联合提款的概率矩阵作为机构间金融依赖网络的估计。然后,我们进行网络分析,以深入了解具有系统重要性的金融机构的作用。
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引用次数: 13
Banking Deregulation, Bargaining Power and Innovation 银行业放松管制、议价能力和创新
Pub Date : 2012-07-17 DOI: 10.2139/ssrn.2110455
S. Chava, Alexander Oettl, Ajay Subramanian, K. Subramanian
We show that finance influences innovation by young private firms, an important source of long-term economic growth. We develop a simple theoretical model that predicts that a decrease (increase) in banks' bargaining power vis-a-vis entrepreneurs increases (decreases) both the volume and riskiness of innovation. Using staggered banking deregulation by U.S. states as shocks to the bargaining power of banks, we find that, consistent with our hypotheses, inter-state banking deregulation increased both the level and riskiness of innovation by young private firms while intra-state deregulation decreased them. Further, banking deregulation primarily impacted riskier explorative innovation by young private firms than the less risky exploitative innovation. In contrast, banking deregulation did not affect public firms and mature private firms that are relatively less dependent on bank financing. These results have important policy implications by demonstrating how financial development, through its impact on innovation by young private firms, can have a first order impact on economic growth.
我们的研究表明,金融影响着年轻私营企业的创新,这是长期经济增长的重要来源。我们开发了一个简单的理论模型,预测银行相对于企业家议价能力的降低(增加)会增加(减少)创新的数量和风险。将美国各州错开的银行放松管制作为对银行议价能力的冲击,我们发现,与我们的假设一致,州际银行放松管制提高了年轻私营企业的创新水平和风险,而州内放松管制则降低了它们。此外,银行业放松管制对年轻私营企业风险较高的探索性创新的影响比对风险较低的剥削性创新的影响更大。相比之下,银行放松管制并没有影响到相对较少依赖银行融资的上市公司和成熟的私营公司。这些结果通过展示金融发展如何通过其对年轻私营企业创新的影响对经济增长产生一级影响,具有重要的政策意义。
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引用次数: 12
Effective Trade Execution 有效的交易执行
Pub Date : 2012-06-21 DOI: 10.2139/ssrn.2088800
Riccardo Cesari, Massimiliano Marzo, P. Zagaglia
This paper examines the role of algorithmic trading in modern financial markets. Additionally, order types, characteristics, and special features of algorithmic trading are described under the lens provided by the large development of high frequency trading technology. Special order types are examined together with an intuitive description of the implied dynamics of the order book conditional to special orders (iceberg and hidden). The chapter provides an analysis of the transaction costs associated with trading activity and examines the most common trading strategy employed in the market. It also examines optimal execution strategy with the description of the Efficient Trading Frontier. These concepts represent the tools needed to understand the most recent innovations in financial markets and the most recent advances in microstructures research.
本文探讨了算法交易在现代金融市场中的作用。此外,在高频交易技术的巨大发展所提供的镜头下,描述了算法交易的订单类型、特征和特点。特殊订单类型与订单簿的隐含动态的直观描述(冰山和隐藏)一起进行检查。本章分析了与交易活动相关的交易成本,并考察了市场上最常用的交易策略。通过对有效贸易边界的描述,研究了最优执行策略。这些概念代表了理解金融市场最新创新和微观结构研究最新进展所需的工具。
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引用次数: 1
Unit Root Vector Autoregression with Volatility Induced Stationarity 具有波动诱导平稳性的单位根向量自回归
Pub Date : 2012-06-08 DOI: 10.2139/ssrn.2083452
Anders Rahbek, Heino Bohn Nielsen
We propose a discrete-time multivariate model where lagged levels of the process enter both the conditional mean and the conditional variance. This way we allow for the empirically observed persistence in time series such as interest rates, often implying unit-roots, while at the same time maintain stationarity despite such unit-roots. Specifically, the model bridges vector autoregressions and multivariate ARCH models in which residuals are replaced by levels lagged. An empirical illustration using recent US term structure data is given in which the individual interest rates are found to have unit roots, have no finite first-order moments, but remain strictly stationary and ergodic. Moreover, they co-move in the sense that their spread has no unit root. The model thus allows for volatility induced stationarity, and the paper shows conditions under which the multivariate process is strictly stationary and geometrically ergodic. Interestingly, these conditions include the case of unit roots and a reduced rank structure in the conditional mean, known from linear co-integration. Asymptotic theory of the maximum likelihood estimators for a particular structured case (so-called self-exciting) is provided, and it is shown that T-convergence to Gaussian distributions apply despite unit roots as well as absence of finite first and higher order moments. Monte Carlo simulations illustrate the asymptotic theory.
我们提出了一个离散时间多元模型,其中滞后水平的过程进入条件均值和条件方差。通过这种方式,我们允许经验观察到的时间序列的持久性,如利率,通常意味着单位根,同时保持平稳性,尽管有这样的单位根。具体来说,该模型连接了向量自回归和多元ARCH模型,其中残差被滞后水平取代。利用最近的美国期限结构数据给出了一个实证说明,其中发现个人利率具有单位根,没有有限的一阶矩,但保持严格平稳和遍历。此外,它们在某种意义上是共同移动的,因为它们的传播没有单位根。因此,该模型允许波动引起的平稳性,并且本文显示了多元过程是严格平稳和几何遍历的条件。有趣的是,这些条件包括单位根的情况和从线性协整中已知的条件均值中的降阶结构。给出了一种特殊结构情况(所谓的自激)的最大似然估计的渐近理论,并证明了t收敛到高斯分布适用于单位根以及有限一阶和高阶矩的缺失。蒙特卡罗模拟说明了渐近理论。
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引用次数: 47
An FDA for Financial Innovation: Applying the Insurable Interest Doctrine to 21st Century Financial Markets 金融创新的FDA:可保利益原则在21世纪金融市场的应用
Pub Date : 2012-06-04 DOI: 10.2139/ssrn.2010606
E. Posner, E. Weyl
The financial crisis of 2008 was caused in part by speculative investment in complex derivatives. In enacting the Dodd-Frank Act, Congress sought to address the problem of speculative investment, but merely transferred that authority to various agencies, which have not yet found a solution. We propose that when firms invent new financial products, they be forbidden to sell them until they receive approval from a government agency designed along the lines of the FDA, which screens pharmaceutical innovations. The agency would approve financial products if they satisfy a test for social utility that focuses on whether the product will likely be used more often for insurance than for gambling. Other factors may be addressed if the answer is ambiguous. This approach would revive and make quantitatively precise the common-law insurable interest doctrine, which helped control financial gambling before deregulation in the 1990s.
2008年金融危机的部分原因是对复杂衍生品的投机性投资。在颁布《多德-弗兰克法案》(Dodd-Frank Act)时,国会试图解决投机性投资的问题,但只是将权力移交给了各个机构,而这些机构尚未找到解决办法。我们建议,当公司发明新的金融产品时,在获得政府机构的批准之前,禁止销售这些产品,该机构的设计思路与FDA类似,后者负责筛选制药创新。如果金融产品满足社会效用测试,该机构将批准该产品,该测试的重点是该产品是否可能更多地用于保险而不是赌博。如果答案模棱两可,其他因素可能会被提及。这种方法将重振普通法上的可保利益原则,并使之在数量上更加精确。在上世纪90年代放松管制之前,普通法上的可保利益原则曾帮助控制金融赌博。
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引用次数: 79
Internet Banking and ATMs Applications: In Context of Multi Currencies Economy 多币种经济背景下的网上银行和自动取款机应用
Pub Date : 2012-04-12 DOI: 10.2139/SSRN.2038738
N. Ṣabrī, Diama Khaled Abu Laban, Dima Walid Hanyia
This research aims to point out to what extent internet-banking, ATMs and other electronic money instruments are used in the Palestinian economy based on multi currencies. It used multi research instruments including: Examining the related laws, rules and regulations regarding the issue, structured interviews and relevant questionnaires were articulated and conducted to selected samples of bankers and banks’ clients from 12 banks. The study found that all Palestinian banks have ATM machines, which deals with three currencies including JD, NIS, and USD with various transactions, while about a half of the banks issue credit cards to their clients, and offer internet inquires and internet transactions. With the exception of ATM, the majority of the banking clients don’t know about the existing possibilities of E- banking channels available in their banks and/ or how to use it. The banking directors and staff do not see much increase in using the E- banking transactions by their clients, in spite of the new adopted electronic instruments by the majority of banks in the last decade.
本研究旨在指出,基于多种货币的巴勒斯坦经济中,互联网银行、自动取款机和其他电子货币工具的使用程度。它使用了多种研究工具,包括:检查有关的法律,法规和法规的问题,结构化的访谈和相关的问卷是明确的,并进行了从12家银行的银行家和银行的客户的选择样本。该研究发现,巴勒斯坦所有银行都有自动取款机,可以处理包括JD, NIS和美元在内的三种货币的各种交易,而大约一半的银行向客户发行信用卡,并提供网上查询和网上交易。除了自动柜员机外,大多数银行客户不知道银行现有的电子银行渠道的可能性,也不知道如何使用。尽管大多数银行在过去十年采用了新的电子工具,但银行董事和员工认为,客户使用电子银行交易的情况并没有大幅增加。
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引用次数: 4
Behavioral Foundations of Microcredit: Experimental and Survey Evidence from Rural India 小额信贷的行为基础:来自印度农村的实验和调查证据
Pub Date : 2012-04-01 DOI: 10.1257/AER.102.2.1118
Michal Bauer, Julie Chytilová, J. Morduch
Microcredit is an innovative financial tool designed to reduce poverty and fix credit market imperfections. We use experimental measures of time discounting and risk aversion for villagers in south India to highlight behavioral features of microcredit. Conditional on borrowing from any source, women with present-biased preferences are more likely than others to borrow through microcredit institutions. Microcredit contracts require loan repayments in regular, fixed installments and they harness peer pressure to encourage discipline. These innovations mirror mechanisms highlighted in behavioral approaches to saving, suggesting that microcredit's popularity stems partly from modes of encouragement and self-discipline absent in typical lending mechanisms.
小额信贷是一种创新的金融工具,旨在减少贫困和解决信贷市场的不完善问题。我们使用时间贴现和风险厌恶的实验措施,在印度南部的村民突出小额信贷的行为特征。有条件地从任何来源借款,具有当前偏好的妇女比其他人更有可能通过小额信贷机构借款。小额信贷合同要求定期、固定分期偿还贷款,并利用同行的压力来鼓励纪律。这些创新反映了储蓄行为方法中突出的机制,表明小额信贷的流行部分源于典型贷款机制中缺乏的鼓励和自律模式。
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引用次数: 295
期刊
IRPN: Innovation & Finance (Topic)
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