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Systemic Risk and Bank Size 系统性风险与银行规模
Pub Date : 2017-08-18 DOI: 10.2139/ssrn.2320693
Simone Varotto, Lei Zhao
In this paper we analyse aggregate and firm level systemic risk for US and European banks from 2004 to 2012. We observe that common systemic risk indicators are primarily driven by firm size which implies an overriding concern for “too-big-to-fail” institutions. However, smaller banks may still pose considerable systemic threats, as exemplified by the Northern Rock debacle in 2007. By introducing a simple standardisation, we obtain a new risk measure that identifies Northern Rock as a top ranking systemic institution up to 4 quarters before its bailout. The new indicator also appears to have a superior ability to predict which banks would be affected by the most severe stock price contractions during the 2007-2009 sub-prime crisis. In addition we find that a bank’s balance sheet characteristics can help to forecast its systemic importance and, as a result, may be useful early warning indicators. Interestingly, the systemic risk of US and European banks appears to be driven by different factors.
本文分析了2004年至2012年美国和欧洲银行的总体和企业层面的系统性风险。我们观察到,常见的系统性风险指标主要由公司规模驱动,这意味着对“太大而不能倒”的机构的首要关注。然而,规模较小的银行仍可能构成相当大的系统性威胁,2007年北岩银行(Northern Rock)破产就是一个例证。通过引入简单的标准化,我们获得了一种新的风险衡量标准,该标准在北岩银行接受救助前4个季度将其确定为顶级系统性机构。在预测2007-2009年次贷危机期间哪些银行将受到最严重股价下跌的影响方面,这个新指标似乎也具有更强的能力。此外,我们发现,银行的资产负债表特征可以帮助预测其系统重要性,因此,可能是有用的预警指标。有趣的是,美国和欧洲银行的系统性风险似乎是由不同因素驱动的。
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引用次数: 84
Can Bitcoin Become a Viable Alternative to Fiat Currencies? An Empirical Analysis of Bitcoin's Volatility Based on a GARCH Model 比特币能成为法定货币的可行替代品吗?基于GARCH模型的比特币波动性实证分析
Pub Date : 2017-05-02 DOI: 10.2139/ssrn.2961405
V. Cermak
This study examines whether Bitcoin, a digital decentralized currency, can become a viable alternative to fiat currencies. Bitcoin currently does not fulfill the criteria of being a currency because it does not function as a medium of exchange, a unit of account, and a store of value. Bitcoin’s biggest obstacle from fulfilling these functions is the price volatility. A GARCH (1,1) model is used to analyze Bitcoin’s volatility in respect to the macroeconomic variables of countries where Bitcoin is being traded the most. Bitcoin already behaves similarly to fiat currencies in China, the U.S. and the European Union but not in Japan. There is also evidence that Bitcoin acts as a safe-haven asset in China. The volatility of Bitcoin has been steadily decreasing throughout its lifetime. If it follows the trend of its six years of existence, it will reach the volatility levels of fiat currencies in 2019-2020 and become a functioning alternative to fiat currencies.
这项研究探讨了比特币,一种数字去中心化货币,是否可以成为法定货币的可行替代品。比特币目前不符合货币的标准,因为它没有作为交换媒介、记账单位和价值储存手段的功能。比特币实现这些功能的最大障碍是价格波动。GARCH(1,1)模型用于分析比特币在比特币交易最多的国家的宏观经济变量方面的波动性。在中国、美国和欧盟,比特币的行为已经与法定货币类似,但在日本却并非如此。还有证据表明,比特币在中国是一种避险资产。比特币的波动性在其整个生命周期中一直在稳步下降。如果它遵循其存在六年的趋势,它将在2019-2020年达到法定货币的波动水平,并成为法定货币的功能性替代品。
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引用次数: 71
Discount Rate (Risk-Free Rate and Market Risk Premium) Used for 41 Countries in 2017: A Survey 2017年41个国家的贴现率(无风险利率和市场风险溢价)调查
Pub Date : 2017-04-17 DOI: 10.2139/SSRN.2954142
Pablo Fernández, V. Pershin, Isabel Fernández Acín
This paper contains the statistics of a survey about the Risk-Free Rate (RF) and the Market Risk Premium (MRP) used in 2017 for 41 countries. We got answers for 68 countries, but we only report the results for 41 countries with more than 25 answers. The average (RF) used in 2017 was smaller than the one used in 2015 in 12 countries (in 5 of them the difference was more than 1%). In 10 countries the average (RF) used in 2017 was more than a 1% higher than the one used in 2015 (see table 6). The change between 2015 and 2017 of the average Market risk premium used was higher than 1% for 11 countries (see table 6). Most of the respondents use for Europe and UK a Risk-Free Rate (RF) higher than the yield of the 10-year Government bonds. Due to Quantitative Easing, the Risk-Free Rate (RF) and the Market Risk Premium (MRP) reported for Euro countries are negatively correlated (Spain -51%; Germany -28%; France -47%; Italy -30%)
本文包含了对2017年41个国家使用的无风险利率(RF)和市场风险溢价(MRP)调查的统计数据。我们得到了68个国家的答案,但我们只报告了41个答案超过25个的国家的结果。在12个国家中,2017年使用的平均值(RF)小于2015年使用的平均值(其中5个国家的差异超过1%)。在10个国家中,2017年使用的平均(RF)比2015年使用的平均(RF)高出1%以上(见表6)。在11个国家中,2015年至2017年使用的平均市场风险溢价的变化高于1%(见表6)。大多数受访者在欧洲和英国使用的无风险利率(RF)高于10年期政府债券的收益率。由于量化宽松政策,欧元区国家的无风险利率(RF)和市场风险溢价(MRP)呈负相关(西班牙-51%;德国-28%;法国-47%;意大利-30%)
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引用次数: 15
US Interest Rate Policy Spillover and International Capital Flow: Evidence from Korea 美国利率政策溢出与国际资本流动:来自韩国的证据
Pub Date : 2016-12-30 DOI: 10.2139/ssrn.2908272
Jieun Lee, Jung-min Kim, J. Shin
This study empirically investigates the spillover effect of the US Fed’s monetary policy on the international capital flow in South Korea. Novel high frequency data from the EPFR Global and the event study strategy allow us to identify the Fed’s policy shock with minimal assumptions. In contrast to the conventional wisdom, our identification strategy finds that contemporary cross-border equity flows increase upon a (more-than-expected) contractionary interest rate policy during the event week. This result is robust to exclusion of influential observations, alternative estimation methods as well as inclusion of an additional explanatory variable which explicitly controls for possible endogeneity. When the business cycle asymmetry is taken into account, our simplistic model explains the variation in the active equity flow up to 72%. International bond investors also respond positively to the Fed policy surprise, in one week prior to the policy event. The effect of the US policy shock does not last longer than a week’s time after the initial impact for both equity and bond flows. Finally, we replicate the negative estimators found in the literature using full sample regressions. This result indirectly show that differences in results are potentially attributed to the difference in identification methodologies, not the data. Our findings suggest that the implicit identification assumptions in conventional empirical capital flow literature need further investigations.
本研究实证考察了美联储货币政策对韩国国际资本流动的溢出效应。来自EPFR Global的新高频数据和事件研究策略使我们能够以最小的假设确定美联储的政策冲击。与传统观点相反,我们的识别策略发现,在事件周期间,当代跨境股权流动在(超出预期的)紧缩利率政策下增加。该结果对于排除有影响的观测值,替代估计方法以及包含明确控制可能的内生性的附加解释变量是稳健的。当考虑到商业周期的不对称性时,我们的简化模型解释了活跃权益流高达72%的变化。国际债券投资者也积极回应美联储的政策意外,在政策事件发生前一周。在对股票和债券流动产生最初影响之后,美国政策冲击的影响不会持续超过一周的时间。最后,我们使用全样本回归复制了文献中发现的负估计量。这一结果间接表明,结果的差异可能归因于识别方法的差异,而不是数据的差异。我们的研究结果表明,传统实证资本流动文献中的隐性识别假设需要进一步研究。
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引用次数: 0
Effects of Monetary Policy Shocks on Exchange Rate in Emerging Countries 新兴国家货币政策冲击对汇率的影响
Pub Date : 2016-12-01 DOI: 10.2139/ssrn.2899939
Soyoung Kim, Kuntae Lim
This study empirically investigates the effects of monetary policy shocks on the exchange rate in six emerging countries (Korea, Thailand, the Philippines, Mexico, Brazil, and Colombia). VAR models are used, wherein sign restrictions on impulse responses are imposed to identify monetary policy shocks. The empirical model reflects the small open emerging economy features. The estimation period is the recent period in which these countries adopted inflation targeting and more flexible exchange rate regimes based on the experience of advanced countries. The main findings are as follows. First, various puzzles such as the i°exchange rate puzzle,i± i°delayed overshooting puzzle,i± and i°forward discount bias puzzlei± are frequently found in these countries. Second, more severe puzzles are found in these emerging countries than in small open advanced countries.
本研究实证调查了六个新兴国家(韩国、泰国、菲律宾、墨西哥、巴西和哥伦比亚)货币政策冲击对汇率的影响。使用VAR模型,其中对脉冲响应施加符号限制以识别货币政策冲击。实证模型反映了小型开放型新兴经济体的特征。估计期是这些国家根据发达国家的经验采用通货膨胀目标制和更灵活的汇率制度的最近时期。主要研究结果如下:首先,在这些国家经常发现各种各样的谜题,如i°汇率谜题、i±i°延迟超调谜题、i±和i°远期贴现偏差谜题。其次,这些新兴国家比开放的小发达国家面临更严重的难题。
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引用次数: 9
The Mysterious Overvaluation of KRW in the 1990s 20世纪90年代韩元的神秘高估
Pub Date : 2016-11-03 DOI: 10.2139/ssrn.2864107
Byunghwan Son
Existing theories on real exchange rates predict a significant undervaluation of the Korean won (KRW) in the early and mid-1990s. For instance, given the historical importance of exporting sectors in the Korean economy, the optimum currency area (OCA) literature would postulate that massive current account deficits in the mid-1990s should have led to drastic weakening of KRW. The paper demonstrates why this expectation did not materialize and instead an unprecedentedly large degree of overvaluation occurred. It first shows that the KRW overvaluation during the 1990s was indeed unique in a quantitative, cross-national passion. Second, focusing on three variables, namely, financial repression, devaluation pass-through, and policy exhibitionism, the paper examines how the unraveling of the developmental state eventually gave rise to the 1990s’ overvaluation. It argues that the policy exhibitionism of the new civilian government amplified the influence of Chaebols on monetary policies, which in turn created a strong appreciative force to KRW. It also contends that the increasing pass-through cost of devaluation explains why Chaebol did not want to tame the excessive appreciative trend despite its detrimental effect on their exports.
现有的实际汇率理论预测,在20世纪90年代初和中期,韩元被严重低估。例如,考虑到出口部门在韩国经济中的历史重要性,最优货币区(OCA)文献会假设,20世纪90年代中期的巨额经常账户赤字应该导致韩元大幅贬值。本文论证了为什么这一预期没有实现,反而出现了空前程度的高估。它首先表明,上世纪90年代的韩元高估确实是一种量化的、跨国的狂热。其次,本文关注三个变量,即金融抑制、贬值传递和政策展示主义,研究了发展中国家的解体最终如何导致20世纪90年代的高估。分析认为,新政府的政策炫耀主义扩大了财阀对货币政策的影响力,从而对韩元形成了强大的升值力量。它还认为,贬值的传递成本不断增加,解释了为什么财阀不愿意遏制过度升值的趋势,尽管这对他们的出口造成了不利影响。
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引用次数: 0
Non-Traded Goods, Structural Change, and Capital Flows to Developing Countries 非贸易商品、结构变化和发展中国家的资本流动
Pub Date : 2016-09-29 DOI: 10.2139/ssrn.2746671
J. Rothert, Jacob Short
We analyze the quantitative impact of the non-tradable sector and structural change on international capital flows. We argue that the allocation puzzle (Gourinchas and Jeanne (2013)) reflects the difference in the magnitudes rather than the direction of net capital flows predicted by the one sector model and those observed in the data. We show that the introduction of a non-tradable sector can reconcile much of the differences between the predictions of the model and the empirical observations, and account for as much as 54% of the allocation puzzle. Complementarity in consumption between tradable and non-tradable goods, as well as structural change, as measured by the movement of labor from agriculture and manufactures (tradable) to services (non-tradable), play a central role in accounting for the relatively low magnitudes of capital flows observed in the data.
我们分析了非贸易部门和结构变化对国际资本流动的定量影响。我们认为,分配难题(Gourinchas和Jeanne(2013))反映了单个部门模型预测的净资本流动的幅度差异,而不是数据中观察到的方向差异。我们表明,引入非贸易部门可以调和模型预测与实证观察之间的大部分差异,并解释了多达54%的分配难题。可贸易和不可贸易商品之间消费的互补性,以及以劳动力从农业和制造业(可贸易)向服务业(不可贸易)的流动来衡量的结构变化,在解释数据中观察到的相对较低的资本流动方面发挥了核心作用。
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引用次数: 1
Dynamic Interaction between Capital Flows, Exchange Rates and Growth: Evidence From Nigeria 资本流动、汇率和增长之间的动态互动:来自尼日利亚的证据
Pub Date : 2016-08-13 DOI: 10.2139/ssrn.2838452
C. Ogbechie, F. Anetor
This paper examines the relationship between capital flows, exchange rate, and growth for the Nigerian economy for the periods 1986-2014. Employing the vector autoregressive (VAR) approach, empirical findings from the impulse response reveals that capital inflows respond negatively to changes in exchange rate. Also, the results show that capital inflows react positively to growth suggesting that the higher the economic growth the more the capital inflows. The study also shows that exchange rate response positively to shock in capital inflows suggesting that the more the capital inflows the more the Nigeria currency appreciates. Furthermore, it was found that growth responds positively to shock in capital inflows indicating that the higher the capital inflows the higher the rate of economic growth. The variance decomposition of capital inflows shows that variation in capital inflows is greatly influenced by growth. Also, the variance decomposition of exchange rate suggests that capital inflow plays a significant role in the variation of the exchange rate. Furthermore, the outcome of the study also shows that both the capital inflows and exchange rate produce almost the same influence on economic growth. Finally, employing the Granger causality in determining the causal relationship between the variables, it was found that there is a unidirectional causal relationship between growth and capital inflows in Nigeria. The implication of this study is that government should design and implement policies towards enhancing economic growth to stimulate capital inflow.
本文考察了1986-2014年期间尼日利亚经济的资本流动、汇率和增长之间的关系。采用向量自回归(VAR)方法,脉冲响应的实证结果表明,资本流入对汇率变化的反应为负。此外,研究结果还表明,资本流入与经济增长呈正相关,表明经济增长越高,资本流入越多。研究还表明,汇率正响应资本流入的冲击,这表明资本流入越多,尼日利亚货币升值越多。此外,我们发现增长对资本流入的冲击有积极的反应,这表明资本流入越高,经济增长率越高。资本流入的方差分解表明,资本流入的变化很大程度上受增长的影响。此外,汇率的方差分解表明,资本流入对汇率的变化起着显著的作用。此外,研究结果还表明,资本流入和汇率对经济增长的影响几乎相同。最后,运用格兰杰因果关系确定变量之间的因果关系,发现尼日利亚经济增长与资本流入之间存在单向因果关系。本研究的启示是,政府应设计和实施促进经济增长的政策,以刺激资本流入。
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引用次数: 2
Competing for Renminbi: Financial Centers in the Context of Renminbi Globalisation 争夺人民币:人民币全球化背景下的金融中心
Pub Date : 2016-07-09 DOI: 10.1017/cbo9781316181553.010
Shen Wei
Internationalization of Renminbi is a clear policy and an irreversible direction of the Chinese government. The use of Renminbi as a global payment currency is growing rapidly. Meanwhile, financial centers are spotting the potential offered by Renminbi to improve their competitive positions in the post financial crisis era. Major financial centers are making aggressive moves to gain market share in lucrative Renminbi trading. This chapter is an attempt to understand how Renminbi, as a non-freely-convertible currency, is being internationalized and how major financial centers are competing for Renminbi-related businesses. In addition, the chapter tries to comprehend the difficulty in internationalizing Renminbi.
人民币国际化是中国政府的明确政策,也是不可逆转的方向。人民币作为全球支付货币的使用正在迅速增长。与此同时,金融中心正在发现人民币提供的潜力,以提高其在后金融危机时代的竞争地位。各大金融中心正在采取积极行动,争取利润丰厚的人民币交易市场份额。本章试图了解人民币作为一种不可自由兑换的货币是如何国际化的,以及主要金融中心是如何争夺人民币相关业务的。此外,本章还试图理解人民币国际化的难点。
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引用次数: 1
Market Efficiency and Arbitrage Opportunities for Russian Depositary Receipts Cross- Listed on the London Stock Exchange 伦敦证券交易所交叉上市的俄罗斯存托凭证的市场效率与套利机会
Pub Date : 2016-07-05 DOI: 10.1142/S0219091516500077
O. Kim
This study examines the Russian stock market efficiency from two perspectives. First, we document that for the sample of Russian firms cross-listed on the Main Market of the London Stock Exchange (LSE) as Global Depositary Receipts (GDRs), the return series obtained from both the local market and the LSE are time-invariant and hence, predictable. This suggests that the market is inefficient with respect to pricing Russian GDRs and that investors are likely to make systematic nonzero profits. Second, we document profitable arbitrage opportunity surrounding the announcement to adopt IFRS, which is an additional evidence of market inefficiency. The significant pricing spread observed on this key date was due to the differential market reaction to IFRS adoption — neutral on the local MICEX exchange dominated by individual traders and significantly negative on the LSE dominated by institutional investors. This finding can be explained by (i) informational advantages of the local investors due to geographic proximity, (ii) differential expectations with respect to governance norms and listing requirements, and (iii) difference in portfolio composition of the two investor groups.
本文从两个角度考察了俄罗斯股票市场的效率。首先,我们证明了在伦敦证券交易所(LSE)主要市场作为全球存托凭证(gdr)交叉上市的俄罗斯公司样本,从当地市场和伦敦证券交易所获得的收益序列是时不变的,因此是可预测的。这表明,市场在为俄罗斯gdr定价方面效率低下,投资者可能会获得系统性的非零利润。其次,我们记录了围绕采用国际财务报告准则的公告的盈利套利机会,这是市场无效的另一个证据。在这个关键日期观察到的显著定价价差是由于市场对采用国际财务报告准则的不同反应——以个人交易者为主的当地MICEX交易所中性,而以机构投资者为主的伦敦证券交易所则明显负面。这一发现可以用(i)由于地理邻近而导致的当地投资者的信息优势,(ii)对治理规范和上市要求的不同期望,以及(iii)两个投资者群体的投资组合构成的差异来解释。
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引用次数: 3
期刊
ERN: International Finance (Topic)
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