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Identity Theft on Social Media for the System of Banking Sector in Islamabad 伊斯兰堡银行系统的社交媒体身份盗窃
Pub Date : 2020-08-22 DOI: 10.2139/ssrn.3679244
H. M. Salman
The topic of natural convection in enclosures one of the most active areas in heat transfer research today’s Internet era. The identity theft through social media has become one of the fastest-growing crimes around the world. Most of the People are unaware of the amount transection of information, they disclose over all the internet services precede by search engines of social media, social networking sites, and free online tools. Through the literature review, the researcher has analyzed the current scenario of Identity Theft and online cyber-crimes on social Media. The Researcher has focused on suspicious frauds in the system of the Banking sector through online social media networking websites. This research has investigated identity theft and all other issues rose by this type of computer crime. The purpose of this study is to look deeply at the angle of Identity Theft on Social Media and social networking sites. Though social media is widely using by almost everyone in the audience this study will look into the audience who is using social media and they may have gone through the issue of an identity theft issue. The evolution of technology makes the work every easy, Now a days Money transactions have become very fast within one click. The misuse of information technology in the cyberspace is clutching up which gave birth to cybercrimes in the whole world. The key question in this research study is that what are the information security risks posed by social networking websites in general and Facebook in special? The researcher will use the qualitative method for this research and will try to explore the use of social media among the audience working in the banking sector and using the system of the Banking Sector in the capital city of Islamabad. The Researcher has conducted two in-depth interviews with bank professionals, one in a depth interview with an IT expert. This research has also provided the qualitative empirical support for social learning theories and the finding of this research has provided that IT usage and cybercrimes related to online banking in Pakistan both are at high risk.
在当今互联网时代,围护结构的自然对流是传热研究中最活跃的领域之一。通过社交媒体进行身份盗窃已经成为世界上增长最快的犯罪之一。大多数人没有意识到信息泄露的数量,他们在社交媒体的搜索引擎、社交网站和免费在线工具之前披露了所有互联网服务。通过文献综述,研究人员分析了社交媒体上身份盗窃和在线网络犯罪的现状。研究人员通过在线社交媒体网站关注银行业系统中的可疑欺诈行为。这项研究调查了身份盗窃和所有其他由这类计算机犯罪引起的问题。本研究的目的是深入研究社交媒体和社交网站上的身份盗窃问题。虽然几乎所有人都在广泛使用社交媒体,但这项研究将调查使用社交媒体的观众,他们可能经历过身份盗窃问题。技术的发展使工作变得非常容易,现在一天的货币交易变得非常快,只需点击一下。信息技术在网络空间的滥用愈演愈烈,催生了全球范围内的网络犯罪。本研究的关键问题是,一般社交网站和Facebook所带来的信息安全风险是什么?研究人员将使用定性方法进行这项研究,并将尝试探索在银行部门工作的受众中使用社交媒体,并使用首都伊斯兰堡的银行部门系统。研究员与银行专业人士进行了两次深度访谈,其中一次与IT专家进行了深度访谈。本研究还为社会学习理论提供了定性的实证支持,本研究的发现表明,巴基斯坦的信息技术使用和与网上银行相关的网络犯罪都处于高风险之中。
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引用次数: 0
Optimal Network Compression 最优网络压缩
Pub Date : 2020-08-20 DOI: 10.2139/ssrn.3677587
H. Amini, Zachary Feinstein
This paper introduces a formulation of the optimal network compression problem for financial systems. This general formulation is presented for different levels of network compression or rerouting allowed from the initial interbank network. We prove that this problem is, generically, NP-hard. We focus on objective functions generated by systemic risk measures under systematic shocks to the financial network. We conclude by studying the optimal compression problem for specific networks; this permits us to study the so-called robust fragility of certain network topologies more generally as well as the potential benefits and costs of network compression.
本文介绍了金融系统最优网络压缩问题的一个公式。这个一般公式是针对不同级别的网络压缩或从初始银行间网络允许的重路由提出的。我们证明了这个问题一般是np困难的。我们关注的是在金融网络受到系统性冲击的情况下,系统风险度量所产生的目标函数。我们通过研究特定网络的最优压缩问题得出结论;这使我们能够更广泛地研究某些网络拓扑的所谓健壮性脆弱性,以及网络压缩的潜在收益和成本。
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引用次数: 12
Facilitating the Search for Partners on Matching Platforms 协助在配对平台寻找合作伙伴
Pub Date : 2020-08-04 DOI: 10.2139/ssrn.3004814
Yashodhan Kanoria, D. Sabán
Two-sided matching platforms can control and optimize over many aspects of the search for partners. To understand how matching platforms should be designed, we introduce a dynamic two-sided search model with strategic agents who must bear a cost to discover their value for each potential partner and can do so nonsimultaneously. We characterize evolutionarily stable stationary equilibria and find that, in many settings, the platform can mitigate wasted search effort by imposing suitable restrictions on agents. In unbalanced markets, the platform should force the short side of the market to initiate contact with potential partners, by disallowing the long side from doing so. This allows the agents on the long side to exercise more choice in equilibrium. When agents are vertically differentiated, the platform can significantly improve welfare even in the limit of vanishing screening costs by forcing the shorter side of the market to propose and by hiding information about the quality of potential partners. Furthermore, a Pareto improvement in welfare is possible in this limit. This paper was accepted by Baris Ata, stochastic models and simulation.
双边匹配平台可以控制和优化寻找合作伙伴的许多方面。为了理解如何设计匹配平台,我们引入了一个动态的双边搜索模型,其中战略代理必须承担为每个潜在合作伙伴发现其价值的成本,并且可以不同时这样做。我们描述了进化稳定的平稳均衡,并发现,在许多情况下,平台可以通过对代理施加适当的限制来减少浪费的搜索努力。在不平衡的市场中,平台应该迫使市场的空头主动与潜在的合作伙伴接触,而不允许多头这样做。这使得多头方在均衡中有更多的选择余地。当代理人垂直分化时,平台通过迫使市场中较短的一方提出建议,并隐藏潜在合作伙伴的质量信息,即使在消除筛选成本的限制下,也能显著提高福利。此外,在这个极限下,福利的帕累托改善是可能的。论文被Baris Ata、随机模型和仿真所接受。
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引用次数: 55
Impact of Financing and Payout Policy on the Economic Profitability of Solar Photovoltaic Plants 融资和支付政策对太阳能光伏电站经济盈利能力的影响
Pub Date : 2020-08-01 DOI: 10.2139/ssrn.3799905
C. Magni, A. Marchioni, Davide Baschieri
This paper presents a comprehensive evaluation model for appraising an investment in a solar photovoltaic plant which encompasses both operational and financial management. We illustrate the intricate network of logical relations among technical (estimated) variables and financial (decision) variables and show that establishing transparent links between the former and the latter enhances the accuracy and soundness of the model. The results indicate that understanding the conceptual and formal relations of operating variables and financial decisions is necessary for correctly measuring shareholder value creation and making rational decisions, even for those projects (such as solar energy projects) where the operating, technical component is of paramount importance. We show that a firm’s decision of replacing conventional energy with solar energy may be affected by managerial decisions regarding the firm’s payout/retention policy and its financing policy to support the project. The model discloses insights on how to fine-tune the financing and distribution decisions in order to maximize the value creation for shareholders. We apply the model to a real-life case and quantify the effect of financial decisions on the project’s net present value, showing that the financing and distribution policies may amplify or shrink the impact of changes in other inputs and may even revert an otherwise unprofitable project into a value-creating one.
本文提出了一个综合评价模型,用于评估太阳能光伏电站的投资,包括运营和财务管理。我们说明了技术(估计)变量和财务(决策)变量之间复杂的逻辑关系网络,并表明在前者和后者之间建立透明的联系可以提高模型的准确性和可靠性。结果表明,理解经营变量和财务决策的概念和形式关系对于正确衡量股东价值创造和做出理性决策是必要的,即使对于那些运营、技术成分至关重要的项目(如太阳能项目)也是如此。研究表明,企业用太阳能替代传统能源的决策可能受到企业支付/保留政策和支持该项目的融资政策的管理决策的影响。该模型揭示了如何微调融资和分配决策,以便为股东创造最大价值的见解。我们将该模型应用于一个现实案例,量化了财务决策对项目净现值的影响,结果表明,融资和分配政策可能会放大或缩小其他投入变化的影响,甚至可能将一个原本无利可图的项目转变为一个创造价值的项目。
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引用次数: 5
THE ECB AND € E‐BANKNOTES – Could the ECB Issue an Electronic Equivalent of Paper-Based Euro Banknotes? Under Which Conditions Might Such ʹelectronic Banknotesʹ Have Legal Tender Status? Study Prepared Under the 2020 ECB Legal Research Programme 2020 (Topic 2) 欧洲央行和欧元电子钞票——欧洲央行能否发行纸质欧元纸币的电子等价物?电子货币在什么条件下才具有法定货币地位?根据2020年欧洲央行法律研究计划2020准备的研究(主题2)
Pub Date : 2020-07-31 DOI: 10.2139/ssrn.3667057
Corinne Zellweger-Gutknecht, B. Geva, Seraina N. Grunewald
This research paper examines whether the European Central Bank (ECB) is entitled de lege lata to issue an electronic equivalent of paper‐based euro banknotes (e‐banknotes) and, if so, under what conditions such e‐banknotes might have legal tender status. To this end, Part 2 sets the stage by discussing the reasons that might motivate or even compel the ECB to issue an e-banknote and by analyzing whether an e‐banknote is a banknote by reference to general principles of law and financial practices. Part 3 examines which monetary policy objectives and tasks could be better fulfilled if an e‐euro were issued or, conversely, whether non‐issuance could in the future impair the fulfillment of the ECB’s mandate. Subsequently, Part 4 analyses the constitutional framework that empowers the ECB, within certain clear limits, to pursue the objectives set. This includes particularly the interpretation of the term ‘banknotes’ in Article 128 TFEU as well as the content and scope of selected basic tasks set out in Article 127 TFEU and mirrored in the Statute of the European System of Central Banks (ESCB) and of the ECB. The results are then weighed against the potential interests of third parties that could be affected by an e‐euro. Part 5 proceeds by discussing the design features that a functional equivalent of a paper banknote can and must exhibit in order to meet the previously defined objectives and constitutional limits. Part 6 explores the issue of architecture, i.e. the possible models of issuance. Part 7 concludes.
本研究报告探讨了欧洲中央银行(ECB)是否有权依法发行纸质欧元的电子等价物(e - banknotes),如果是的话,在什么条件下这种e - banknotes可能具有法定货币地位。为此,第2部分通过讨论可能激励甚至迫使欧洲央行发行电子钞票的原因,并通过参考法律和金融实践的一般原则分析电子钞票是否为钞票,从而奠定了基础。第三部分考察了如果发行电子欧元,哪些货币政策目标和任务可以更好地实现,或者相反,不发行电子欧元是否会在未来损害欧洲央行使命的履行。随后,第四部分分析了赋予欧洲央行权力的宪法框架,在某些明确的限制范围内,实现既定目标。这特别包括对第128条TFEU中“纸币”一词的解释,以及第127条TFEU中规定的选定基本任务的内容和范围,这些内容和范围反映在欧洲中央银行体系(ESCB)和欧洲中央银行章程中。然后将结果与可能受到e - euro影响的第三方的潜在利益进行权衡。第5部分继续讨论纸币的功能等同可以而且必须展示的设计特征,以满足先前定义的目标和宪法限制。第6部分探讨了体系结构问题,即可能的发行模型。第7部分结束。
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引用次数: 1
Enhanced Informal Networks: Costly State Verification and the Village Fund Intervention 加强非正式网络:代价高昂的国家核查和乡村基金干预
Pub Date : 2020-07-29 DOI: 10.2139/ssrn.3662808
Hong Ru, R. Townsend
Using data for over 600 households in 16 villages from Townsend Thai project, we find that the role of preexisting informal kinship networks in Thailand was enhanced following a quasi-formal village fund program in 2001. Transfers (gifts) among poor households play a crucial role in funding investment. This transfer mechanism and its role in investment were amplified for the poor households after the village fund, especially those with kinship ties. Moreover, we document a financial regime shift using maximum-likelihood estimation. Two exogenously incomplete regimes (saving only and lending/borrowing) dominated in the full sample and for the relatively poor before the village fund, but costly state verification, a less incomplete financial regime, dominates in the subsample of poor households following the village fund. The structurally-estimated cost of verification of the households with kinship is also significantly lower than the one without kinship after 2001, relative to before, suggesting the role of kinship was enhanced.
利用汤森泰国项目中16个村庄600多户家庭的数据,我们发现,在2001年实施准正式的村庄基金项目后,泰国原有的非正式亲属网络的作用得到了加强。贫困家庭之间的转移支付(礼物)在资助投资方面发挥着至关重要的作用。这种转移机制及其在投资中的作用在村基金后的贫困户,特别是有亲属关系的贫困户中被放大。此外,我们使用最大似然估计记录了金融制度的转变。两种外源性不完全制度(仅储蓄和借贷)在整个样本和村基金之前相对贫穷的家庭中占主导地位,但在村基金之后的贫困家庭子样本中,成本高昂的国家核查,一种不太不完整的金融制度占主导地位。2001年以后,有亲属关系家庭的结构估计验证成本也显著低于无亲属关系家庭,表明亲属关系的作用增强了。
{"title":"Enhanced Informal Networks: Costly State Verification and the Village Fund Intervention","authors":"Hong Ru, R. Townsend","doi":"10.2139/ssrn.3662808","DOIUrl":"https://doi.org/10.2139/ssrn.3662808","url":null,"abstract":"Using data for over 600 households in 16 villages from Townsend Thai project, we find that the role of preexisting informal kinship networks in Thailand was enhanced following a quasi-formal village fund program in 2001. Transfers (gifts) among poor households play a crucial role in funding investment. This transfer mechanism and its role in investment were amplified for the poor households after the village fund, especially those with kinship ties. Moreover, we document a financial regime shift using maximum-likelihood estimation. Two exogenously incomplete regimes (saving only and lending/borrowing) dominated in the full sample and for the relatively poor before the village fund, but costly state verification, a less incomplete financial regime, dominates in the subsample of poor households following the village fund. The structurally-estimated cost of verification of the households with kinship is also significantly lower than the one without kinship after 2001, relative to before, suggesting the role of kinship was enhanced.","PeriodicalId":319022,"journal":{"name":"Economics of Networks eJournal","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127537319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Cryptocurrency and Privacy: Economic Analysis of Law 加密货币与隐私:法律的经济分析
Pub Date : 2020-07-27 DOI: 10.2139/ssrn.3661287
G. Nath
The dynamic technology junction of Cryptocurrency and Privacy pose several implications to the existing economic and legal regulations. The present work intends to take up an economic analysis of the laws relating to Cryptocurrency in the context of Privacy. The concept of money and development of fiat currency with role of banking industry leads one to understand the background of Cryptocurrency basis, therefore a segment on the historic perspective of money, development of fiat money and role of banking industry as an intermediary are added in the present work. The technology of Blockchain used in Cryptocurrency transaction transmits the existing monetary regulations across the globe thereby challenging the financial systems. The economics of Cryptocurrency has generated sufficient interest and the present work surveys such interest.

The most comprehensive regulation on Privacy and Data protection having a global impact is the European Union’s General Data Protection Regulation (EUGDP), which took effect in May 2018. The EUGDP Regulations by giving much needed importance and protection to the individual’s data privacy and security have altered the functionality of the Data driven companies such as Facebook, Google and others. The work takes a brief note of issues such as data controller and data processor identification, territorial and cross-border data transfer issues, legitimate bases for processing personal data and individual’s privacy rights as some of necessary compliance under the EUGDP Regulations that interact with the blockchain technology used under Cryptocurrency transactions. The conclusion suggests the need for economic analysis of laws relating to Cryptocurrency and Privacy for their intrinsic economic value.
加密货币和隐私的动态技术结合对现有的经济和法律法规产生了一些影响。本工作旨在对隐私背景下与加密货币相关的法律进行经济分析。货币的概念和法定货币的发展与银行业的作用引导人们了解加密货币基础的背景,因此在本工作中增加了关于货币的历史视角,法定货币的发展以及银行业作为中介的作用的部分。加密货币交易中使用的区块链技术将现有的货币法规传输到全球,从而对金融体系提出了挑战。加密货币的经济学已经产生了足够的兴趣,目前的工作调查了这种兴趣。对全球产生影响的最全面的隐私和数据保护法规是欧盟的《通用数据保护条例》(EUGDP),该条例于2018年5月生效。欧盟gdp法规通过对个人数据隐私和安全给予急需的重视和保护,改变了Facebook、谷歌等数据驱动型公司的功能。该工作简要说明了数据控制器和数据处理器识别、领土和跨境数据传输问题、处理个人数据的合法基础以及个人隐私权等问题,这些问题是根据与加密货币交易中使用的区块链技术相互作用的EUGDP法规的一些必要合规性。结论表明,需要对与加密货币和隐私相关的法律进行经济分析,因为它们具有内在的经济价值。
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引用次数: 1
Endogenous Risk-Exposure and Systemic Instability 内源性风险暴露与系统不稳定性
Pub Date : 2020-07-22 DOI: 10.2139/ssrn.3076076
Chong Shu
Most research on financial systemic stability assumes an economy in which banks are subject to exogenous shocks, but in practice, banks choose their exposure to risk. This paper studies the determinants of this endogenous risk exposure when banks are connected in a financial network. I show that there exists a network risk-taking externality: connected banks’ choices of risk exposure are strategically complementary. Banks in financial networks, particularly densely connected ones, endogenously expose to greater risks. Furthermore, they choose correlated risks, aggravating the systemic fragility. Banks, however, do have incentives to form networks to protect their charter values. The theory yields several novel perspectives on policy debates.
大多数关于金融系统稳定性的研究都假设银行会受到外生冲击,但在实践中,银行会选择自己的风险敞口。本文研究了当银行在金融网络中相互连接时,这种内生风险暴露的决定因素。我证明存在网络风险承担外部性:关联银行的风险敞口选择在战略上是互补的。金融网络中的银行,特别是联系紧密的银行,内在地面临着更大的风险。此外,他们选择相关风险,加剧了系统脆弱性。然而,银行确实有形成网络以保护其特许价值的动机。该理论为政策辩论提供了几个新颖的视角。
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引用次数: 11
Social Distance, Speed of Containment and Crowding In/Out in a Network Model of Contagion 传染网络模型中的社会距离、遏制速度和挤进/挤出
Pub Date : 2020-07-15 DOI: 10.2139/ssrn.3652359
Fabrizio Adriani
Abstract We study the effects of an intervention aimed at identifying and containing outbreaks in a network model of contagion where social distance is endogenous. The intervention induces a fall in the risk of contagion, to which agents respond by reducing social distance. If the intervention relies on infrequent or inaccurate testing, this crowding out effect may fully offset the intervention’s direct effect, so that the risk of contagion increases. In these circumstances, we show that “slow” interventions – which allow the outbreak to spread to immediate neighbors before being contained – may generate higher ex-ante welfare than “fast” ones and may even “crowd in” social distance. The theory thus identifies a trade off between (i) the swiftness of the intervention and (ii) the scope for crowding out. Simulations on a real world network confirm that the infection rate is not necessarily monotonically decreasing in the accuracy of the intervention and that slow interventions may outperform fast ones for intermediate levels of accuracy.
摘要:我们研究了在社会距离是内生的传染网络模型中,旨在识别和控制疾病爆发的干预措施的效果。干预导致传染风险下降,代理人通过减少社会距离作出反应。如果干预依赖于不频繁或不准确的测试,这种挤出效应可能会完全抵消干预的直接效应,从而增加传染的风险。在这种情况下,我们表明,“缓慢”的干预措施——允许疫情在得到控制之前蔓延到近邻——可能比“快速”的干预措施产生更高的事前福利,甚至可能“挤进”社会距离。因此,该理论确定了(i)干预的快速性和(ii)挤出的范围之间的权衡。在现实世界网络上的模拟证实,感染率在干预的准确性上不一定是单调下降的,在中等精度水平上,缓慢的干预可能优于快速的干预。
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引用次数: 2
Panama Papers: How Data Science Fought Corruption 巴拿马论文:数据科学如何打击腐败
Pub Date : 2020-07-07 DOI: 10.2139/ssrn.3644821
M. Mukhopadhyay, Kaushik Ghosh
The Panama Papers are eleven million leaked electronic documents that detail financial and attorney–client information for more than two hundred thousand offshore entities. The documents were leaked in April 2016 by an anonymous whistle-blower from the database of Panamanian law firm and corporate service provider Mossack Fonseca. In this case study, we discuss how a team of international network of journalists collaborated using data mining tools to unearth vital financial fraud information from this large chunk of unstructured data. The case study begins with a prologue of dialogue between the whistle-blower and protagonist. The case is divided into nine mini chapters where we start with how a data team were formed followed by the tools used to clean and annotate the unstructured data into a graph-based database and finally using expert network of journalists to generate financial insights from the various nodes and links of the graph. We conclude the case by providing word clouds that highlights Indian connections.
2016年4月,一名匿名举报人从巴拿马律师事务所和企业服务提供商莫萨克·冯塞卡的数据库中泄露了这些文件。在本案例研究中,我们讨论了一个国际记者网络团队如何利用数据挖掘工具从大量非结构化数据中挖掘出重要的金融欺诈信息。案例研究以举报人与主人公之间的对话作为序幕。案例分为九个小章节,我们从如何组建数据团队开始,然后使用工具将非结构化数据清理和注释到基于图表的数据库中,最后使用记者专家网络从图表的各个节点和链接中生成财务见解。我们通过提供突出印度联系的词云来总结这个案例。
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引用次数: 1
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Economics of Networks eJournal
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