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Influence of Ukraine invasion by Russia on Turkish markets 俄罗斯入侵乌克兰对土耳其市场的影响
Q1 Economics, Econometrics and Finance Pub Date : 2023-12-21 DOI: 10.1016/j.jeca.2023.e00348
Monsurat Ayojimi Salami, Harun Tanrıvermiş, Yesim Tanrıvermiş

This paper aims to examine the influence of the Ukraine invasion by Russia on Turkish markets, namely the Istanbul stock market index, Turkish real estate market index, Turkish gold market and Turkish foreign exchange market. This study used daily frequency data between February 24 and June 14, 2022. The variables used are BIST100, Turkey real estate index (XGMYO), Turkish gold commodity (XAU/TRY), Turkish foreign currency such as EURO/TRY, GBP/TRY, USD/TRY, TRY/UAH, TRY/RUB, and macro-economic variable RFR/TRY. The study employed Johansen cointegration, Impulse Response Functions and Markov-regime switching for the analysis. The findings established a long-run co-integration relationship among the Turkish markets. The finding also indicated that the shock from the Ukraine invasion by Russia has a positive effect on developed foreign currencies and a negative effect on currencies from emerging countries such as Turkey. The finding revealed that BIST100, XGMYO, and XAU/TRY shifted to regime 2 during the Ukraine invasion by Russia. The lack of need for more commodities such as wheat, gas and oil from the Turkish market prevented focusing on them, which may attract global attention. Despite this, the significance of this finding remains relevant in Turkey. Therefore, future research may focus on other markets with sufficient trading data for wheat and gas in Russia or Ukraine and any other countries of their study. This study established that Ukraine's invasion by Russia has a worldwide impact on the global markets. The effect is felt globally as a consequence, has been experienced across different developed and emerging markets due to the large market share of Russia on essential commodities such as gas and oil. Turkish foreign exchange markets experienced more storms during the Ukraine invasion by Russia even more than it was during the COVID-19 pandemic.

本文旨在研究俄罗斯入侵乌克兰对土耳其市场(即伊斯坦布尔股市指数、土耳其房地产市场指数、土耳其黄金市场和土耳其外汇市场)的影响。本研究使用的是 2022 年 2 月 24 日至 6 月 14 日期间的日频数据。使用的变量包括 BIST100、土耳其房地产指数(XGMYO)、土耳其黄金商品(XAU/TRY)、土耳其外汇,如欧元/TRY、英镑/TRY、美元/TRY、土耳其里亚尔/乌亚尔、土耳其里亚尔/卢布,以及宏观经济变量 RFR/TRY。研究采用了约翰森协整、脉冲响应函数和马尔可夫-制度转换进行分析。研究结果表明,土耳其市场之间存在长期协整关系。研究结果还表明,俄罗斯入侵乌克兰所带来的冲击对发达国家的外币产生了积极影响,而对土耳其等新兴国家的货币产生了消极影响。研究结果显示,在俄罗斯入侵乌克兰期间,BIST100、XGMYO 和 XAU/TRY 转向了制度 2。由于土耳其市场缺乏对小麦、天然气和石油等更多商品的需求,因此无法关注这些可能引起全球关注的商品。尽管如此,这一发现在土耳其仍具有重要意义。因此,未来的研究可能会侧重于俄罗斯或乌克兰以及其他任何国家的小麦和天然气交易数据充足的其他市场。本研究证实,俄罗斯入侵乌克兰对全球市场产生了全球性影响。由于俄罗斯在天然气和石油等基本商品上占有很大的市场份额,因此全球不同的发达市场和新兴市场都感受到了这种影响。在俄罗斯入侵乌克兰期间,土耳其外汇市场经历的风暴甚至超过了 COVID-19 大流行期间。
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引用次数: 0
Exploring crisis-driven return spillovers in APEC stock markets: A frequency dynamics analysis 探讨亚太经合组织股票市场危机驱动的回报溢出效应:频率动态分析
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-28 DOI: 10.1016/j.jeca.2023.e00342
Shubham Kakran , Vineeta Kumari , Parminder Kaur Bajaj , Arpit Sidhu

This study investigates return spillovers in APEC region stock markets influenced by three major crises (the global financial crisis (GFC), the COVID-19 Pandemic, and the Russia- Ukraine conflict). The Diebold and Yilmaz (2012) approach with the Baruník and Křehlík (2018) methodology is employed. The results indicate that the spillover effect is crisis-sensitive, time-varying, and frequency-dependent across the APEC countries' equity markets. The GFC had the most significant spillover effect, followed by COVID-19 and the Russia-Ukraine conflict. While New Zealand, Vietnam, and the Philippines are the net risk recipients, the larger economies of the US, Canada, and Mexico are net risk contributors. Moreover, we analyzed return spillover across three different frequencies for three sub-periods, revealing that the GFC dominates short-term spillovers (five days/one week), while COVID-19 dominates long-term (above five days). Results reveal a fascinating aspect of hedging, highlighting that its costs are higher over the long term than the short term. Interestingly, hedging proves to be more effective over a long time, particularly during crises, thus emphasizing the crucial role played by the time-investment horizon factor.

本研究探讨受三大危机(全球金融危机、新冠肺炎疫情和俄乌冲突)影响的亚太经合组织地区股票市场的回报溢出效应。采用Diebold和Yilmaz(2012)的方法和Baruník和Křehlík(2018)的方法。研究结果表明,亚太经合组织国家股票市场的溢出效应具有危机敏感性、时变性和频率依赖性。全球金融危机的溢出效应最为显著,其次是2019冠状病毒病和俄乌冲突。新西兰、越南和菲律宾是净风险接受国,而美国、加拿大和墨西哥等较大的经济体是净风险贡献者。此外,我们分析了三个子周期的三种不同频率的回报溢出效应,发现全球金融危机主导了短期溢出效应(五天/一周),而COVID-19主导了长期溢出效应(五天以上)。研究结果揭示了对冲的一个迷人之处,即其长期成本高于短期成本。有趣的是,对冲被证明在很长一段时间内更有效,特别是在危机期间,从而强调了时间投资范围因素所起的关键作用。
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引用次数: 0
Does US financial crisis influence the relationship between ownership holdings and stock performance? The case of a developing economy 美国金融危机是否影响了持股与股票表现之间的关系?以发展中经济体为例
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-25 DOI: 10.1016/j.jeca.2023.e00338
Brahmadev Panda , Sasikanta Tripathy , Gaurav Kumar

This study investigates the influence of the U.S. financial crisis on the relationship between ownership holdings and stock performance by assessing the asymmetries between the effects of insider and institutional ownership before, during and after the U.S. financial crisis. The study examines NIFTY 500-listed companies over a period of 16 years, from 2002 to 2017, and distinguishes between three economic phases, namely the pre-crisis (2002–2007), the crisis (2008–2009) and the post-crisis (2010–2017) period. To test our hypothesis, we employ the panel-data techniques of feasible generalised least squares and system-generalised methods of moments to control for autocorrelation, heteroscedasticity and endogeneity issues. The findings reveal that insider ownership had significant U-shaped and inverted-U-shaped effects during the pre-crisis and the post-crisis phase, respectively, which confirms the existence of the monitoring and expropriation effects of insiders. The favourable effect of domestic institutions during the crisis phase supports the notion that such owners engage in efficient monitoring during periods of economic turbulence. The adverse effect of foreign institutional ownership during the pre-crisis period implies either a conflict of interest or capital-gain motives that resulted in selling behaviour when the market economy was growing. The time-variant effects of insider and institutional ownership are noted. Our findings have immense significance for investors and executives who wish to understand the varied effects of insider and institutional ownership as they pertain to the management of a crisis that is caused by an exogenous shock.

本研究通过评估美国金融危机之前、期间和之后内部人与机构持股效应之间的不对称性,探讨了美国金融危机对持股与股票绩效关系的影响。该研究考察了2002年至2017年16年间的NIFTY 500指数上市公司,并区分了三个经济阶段,即危机前(2002 - 2007年)、危机中(2008-2009年)和危机后(2010-2017年)时期。为了检验我们的假设,我们采用可行广义最小二乘和系统广义矩方法的面板数据技术来控制自相关、异方差和内生性问题。研究发现,在危机前和危机后阶段,内部人所有权分别具有显著的u型和倒u型效应,这证实了内部人的监控效应和征用效应的存在。国内机构在危机阶段的有利影响支持了这样一种观点,即这些所有者在经济动荡时期会进行有效的监督。在危机前时期,外国机构所有权的不利影响意味着,在市场经济增长时,要么存在利益冲突,要么存在资本收益动机,导致了出售行为。注意到内部人员和机构所有权的时变效应。对于那些希望了解内部人所有权和机构所有权对外生冲击引发的危机管理的各种影响的投资者和高管来说,我们的研究结果具有重大意义。
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引用次数: 0
Optimal threshold taxation: An empirical investigation for developing economies 最优起征点税收:发展中经济体的实证研究
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-25 DOI: 10.1016/j.jeca.2023.e00343
Lucas Menescal , José Alves

In this study, we empirically assess both linear and nonlinear relationships between the total tax burden and various tax items with real per capita GDP growth rates for 41 developing countries between 1990 and 2019. We use panel data techniques to evaluate the impact of taxation, as a percentage of GDP, on economic growth in both the short and long run perspectives, and to identify threshold values for different types of taxes. In addition to contributing to previous evidence on the linear effects, our results support the existence of nonlinearities and motivate policies aimed at raising certain tax revenues without hindering economic growth.

在本研究中,我们实证评估了1990年至2019年41个发展中国家总税负与各税目与实际人均GDP增长率之间的线性和非线性关系。我们使用面板数据技术,从短期和长期角度评估税收占GDP的百分比对经济增长的影响,并确定不同类型税收的阈值。除了为之前关于线性效应的证据做出贡献外,我们的结果还支持非线性的存在,并激励旨在提高某些税收收入而不阻碍经济增长的政策。
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引用次数: 0
Oil in crisis: What can we learn 危机中的石油:我们能学到什么
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-01 DOI: 10.1016/j.jeca.2023.e00339
Umar Nawaz Kayani , M. Kabir Hassan , Faten Moussa , Gazi Farid Hossain

This study focuses on the Chicago Board Options Exchange Oil Volatility Index (CBOEOVX)'s volatility transmission to the European stock markets. In the first section, to determine the contingent connection between market returns and CBOEOVX and to examine if CBOEOVX return Granger causes economic capital rates of return, the Dynamic Conditional Correlation (DCC) GARCH model has been used. Then, the study examined the asymmetric effects of fluctuations in estimated unpredictability on markets' profitability as the last step of the methoology. In this regard, the study applies quantile regression to examine the asymmetrical effect of the CBOEOVX on the market's daily returns. We have discovered a statistically significant inverse link that changes over time across our various sample markets. This hints at and supports CBOEOVX ‘s influence on the European stock market as a source of primary energy risk. In addition, we find substantial evidence of an asymmetric effect of fluctuations in the CBOEOVX on very negative market profits in the lowest quartile. Our findings not only build on and support previous research and add to the existing body of knowledge but also have evident consequences for future research, regulatory authorities, and practitioners. Practitioners and regulators may use these findings to better comprehend the connection between all crises and pave the path for the future.

本文主要研究芝加哥期权交易所石油波动率指数(CBOEOVX)对欧洲股票市场的波动率传导。在第一部分中,为了确定市场回报与CBOEOVX之间的偶然联系,并检验CBOEOVX回报是否格兰杰导致经济资本回报率,我们使用了动态条件相关(DCC) GARCH模型。然后,作为方法的最后一步,研究检验了估计的不可预测性波动对市场盈利能力的不对称影响。在这方面,研究采用分位数回归来检验CBOEOVX对市场日收益的不对称效应。我们发现,在不同的样本市场中,随着时间的推移,存在统计学上显著的反向联系。这暗示并支持CBOEOVX作为主要能源风险来源对欧洲股市的影响。此外,我们发现大量证据表明,CBOEOVX的波动对最低四分位数的非常负的市场利润产生了不对称影响。我们的发现不仅建立和支持了以前的研究,增加了现有的知识体系,而且对未来的研究、监管机构和从业者也有明显的影响。从业者和监管者可以利用这些发现来更好地理解所有危机之间的联系,并为未来铺平道路。
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引用次数: 0
Stock markets from COVID-19 to the Russia–Ukraine crisis: Structural breaks in interactive effects panels 从2019冠状病毒病到俄罗斯-乌克兰危机的股市:互动效果小组的结构性突破
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-01 DOI: 10.1016/j.jeca.2023.e00340
Chiraz Karamti , Ahmed Jeribi

Financial markets are frequently exposed to a variety of crises at the national, regional, and global levels, with potentially heterogeneous effects on market performance. To make sound investment and policy choices, investors and policymakers are constantly concerned about the market's behavior during such times of extreme stress. This article explores the impact of the two recent crises—the Russian–Ukraine war and the COVID-19 pandemic—on equity markets using Karavias et al.’s (2022) panel data approach and daily data from January 2020 to April 2022. Unlike conventional panel data models, this novel technique assesses the presence and location of common structural breaks across the studied countries while accommodating unobserved heterogeneity and panel dependency. We hypothesize that the conflict's impact on global equity markets is heterogeneous and based on countries' economic-political connection or proximity to the war zone, notably among sanctioning countries (the G7) and non-sanctioning countries (the Russia-China-India triple or RIC). Our results suggest that the G7's financial markets are more sensitive to country-specific macroeconomic factors and commodity price changes during extreme market stress than those of the RIC triad. Moreover, the war has a stronger influence on the G7 stock markets through commodity prices, with a greater impact of natural gas and wheat prices for this group. These findings are consistent with the fact that markets in developed economies with an extreme reliance on commodities are more sensitive to crises and international conflicts.

金融市场经常面临国家、地区和全球层面的各种危机,对市场表现可能产生异质影响。为了做出合理的投资和政策选择,投资者和政策制定者经常关注市场在这种极端压力时期的行为。本文利用Karavias等人(2022)的面板数据方法和2020年1月至2022年4月的每日数据,探讨了最近两次危机——俄乌战争和COVID-19大流行——对股市的影响。与传统的面板数据模型不同,这种新技术评估了研究国家中常见结构断裂的存在和位置,同时适应了未观察到的异质性和面板依赖性。我们假设冲突对全球股票市场的影响是异质的,并且基于各国的经济政治联系或与战区的接近程度,特别是在制裁国家(G7)和非制裁国家(俄罗斯-中国-印度三国或RIC)之间。我们的研究结果表明,在极端市场压力下,七国集团的金融市场对特定国家的宏观经济因素和商品价格变化更为敏感。此外,战争通过商品价格对七国集团股票市场的影响更大,天然气和小麦价格对这一集团的影响更大。这些发现与极端依赖大宗商品的发达经济体的市场对危机和国际冲突更为敏感的事实是一致的。
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引用次数: 0
Fiscal asymmetries and debt crises: Evidence from Lebanon using a sign restricted structural VAR model 财政不对称与债务危机:来自黎巴嫩的证据——基于符号限制结构VAR模型
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-01 DOI: 10.1016/j.jeca.2023.e00334
Simon Neaime, Nasser Badra, Isabelle Gaysset

This study identifies empirically Lebanon's fiscal asymmetries and shocks and traces their effects on GDP using a sign-restricted structural VAR approach. Following Arias et al.’s (2018) identification procedure of sign and zero restrictions, our empirical findings point to a sluggish effect of fiscal policy on economic activity, stipulating that fiscal policy is conducted with non-Keynesian features. The study also documents evidence in favor of crowding out effects given that central government's borrowings are mainly from the local financial market. Moreover, with a non-Keynesian effect of fiscal policy, policy makers should refrain from using fiscal tools to counteract business-cycle fluctuations. It is shown that in order to break through government expenditure's inefficiency, the government must curb a rising budget deficit, which is harnessing an increasing cost of capital and impinging negatively on debt and its service. A rising sovereign debt, in turn, has subsequently triggered a sovereign debt crisis in October 2019.

本研究通过实证研究确定了黎巴嫩的财政不对称和冲击,并使用符号限制的结构性VAR方法追踪了它们对GDP的影响。根据Arias et al.(2018)的符号和零限制的识别程序,我们的实证研究结果指出财政政策对经济活动的影响是缓慢的,这规定了财政政策的实施具有非凯恩斯主义特征。鉴于中央政府的借款主要来自地方金融市场,该研究还提供了支持挤出效应的证据。此外,由于财政政策具有非凯恩斯主义效应,政策制定者应避免使用财政工具来抵消商业周期波动。研究表明,为了突破政府支出的低效率,政府必须遏制不断上升的预算赤字,预算赤字正在利用不断上升的资本成本,并对债务及其服务产生负面影响。不断上升的主权债务随后在2019年10月引发了主权债务危机。
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引用次数: 0
Does income inequality respond asymmetrically to financial development? Evidence from India using asymmetric cointegration and causality tests 收入不平等对金融发展的反应是否不对称?来自印度的证据采用非对称协整和因果检验
Q1 Economics, Econometrics and Finance Pub Date : 2023-11-01 DOI: 10.1016/j.jeca.2023.e00341
Ishfaq Nazir Khanday, Md. Tarique

Using NARDL model and Hatemi-j-asymmetric causality test, this work scrutinizes the asymmetric interactions between income inequality and financial development in India. The empirical findings support the existence of asymmetric structures in the finance-inequality nexus. It is found that negative shocks in financial development ameliorate income inequality while as, positive shocks in financial development exacerbate income inequality in an asymmetric manner. Wald's test and asymmetric cumulative dynamic multipliers used in the study also lend credence to the presence of asymmetric structures in the finance-inequality relationship demonstrating the robustness of our estimates. Furthermore, asymmetric causality tests reveal a unidirectional asymmetric causality between positive shocks in financial development and income inequality. The study divulges need to account for asymmetry in finance–inequality which previous studies neglected. National strategies for financial education, financial inclusion for unbanked segments of the population by expanding financial services network to hitherto unbanked areas, tailoring of financial products and services as per the specific needs of people, reducing interest rates on loans to businesses that qualify as small and medium enterprises must be among the top priorities of policy makers.

本文运用NARDL模型和hatsemi -j-不对称因果检验,考察了印度收入不平等与金融发展之间的不对称相互作用。实证研究结果支持了金融-不平等关系中不对称结构的存在。研究发现,金融发展的负冲击改善了收入不平等,而金融发展的正冲击则以不对称的方式加剧了收入不平等。研究中使用的Wald检验和非对称累积动态乘数也证明了金融不平等关系中不对称结构的存在,证明了我们估计的稳健性。此外,非对称因果检验揭示了金融发展正向冲击与收入不平等之间的单向非对称因果关系。该研究揭示了以往研究忽视的金融不平等的不对称性。国家金融教育战略,通过将金融服务网络扩大到迄今为止没有银行服务的地区,为没有银行服务的人口群体提供金融包容性,根据人们的具体需求定制金融产品和服务,降低符合中小企业资格的企业的贷款利率,必须成为政策制定者的首要任务。
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引用次数: 0
Investor behavior in the currency option market during the COVID-19 pandemic 新冠肺炎大流行期间货币期权市场的投资者行为
Q1 Economics, Econometrics and Finance Pub Date : 2023-10-09 DOI: 10.1016/j.jeca.2023.e00337
Wael Dammak , Nahla Boutouria , Salah Ben Hamad , Christian de Peretti

This study investigates the COVID-19 pandemic's impact on investor behavior in the currency options market, emphasizing its relationship with underlying exchange rates. Using a sample of daily data from select futures continuous calls from September 22, 2016, to December 31, 2021, we introduce a novel variable, “market imperfections,” to quantify the gap between observed and theoretical currency option prices based on the Garman and Kohlhagen model. Through the application of a Markov switching model, we identify pandemic-related changes in investor behavior, characterized by patterns of divergence and convergence. Our research distinguishes between two key behavioral types in the market: fundamentalists and chartists. This study enriches the literature by clarifying how crises, specifically the COVID-19 period, influence investor dynamics and affect market responses. Overall, we provide critical insights into the factors shaping behavior during challenging periods.

本研究调查了新冠肺炎疫情对货币期权市场投资者行为的影响,强调了其与基础汇率的关系。使用2016年9月22日至2021年12月31日期间精选期货连续看涨期权的每日数据样本,我们引入了一个新的变量“市场缺陷”,以基于Garman和Kohlhagen模型量化观察到的货币期权价格与理论货币期权价格之间的差距。通过应用马尔可夫切换模型,我们确定了与疫情相关的投资者行为变化,其特征是发散和收敛模式。我们的研究区分了市场中两种关键的行为类型:原教旨主义者和图表主义者。这项研究通过澄清危机,特别是新冠肺炎时期,如何影响投资者动态和市场反应,丰富了文献。总的来说,我们对在充满挑战的时期塑造行为的因素提供了重要的见解。
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引用次数: 0
Asymmetric responses of equity returns to changes in exchange rates at different market volatility levels 不同市场波动水平下股票回报对汇率变化的不对称反应
Q1 Economics, Econometrics and Finance Pub Date : 2023-10-05 DOI: 10.1016/j.jeca.2023.e00336
Michael D. Herley , Lucjan T. Orlowski , Mark A. Ritter

Our study aims to explore interactions between equity market returns and exchange rates at different market risk zones proxied by the Chicago Board Options Exchange Volatility Index (VIX). We analyze comovements between daily S&P 500 returns and three different USD exchange rates: the Federal Reserve's Nominal Broad U.S. Dollar Index, the Nominal Advanced Foreign Economies U.S. Dollar Index, and the USD in euro. The comovements are examined at three VIX zones (low, intermediate, and high) that we identify by employing the self-exciting threshold autoregressive SETAR(2,p) tests on daily data from January 03, 2006 to January 23, 2023. We subsequently employ VAR and conditional least square tests for S&P 500 returns and log changes in USD exchange rates with all showing the most robust transmission of shocks between equity returns and exchange rates in the high VIX zone. We further run Markov switching tests to identify specific jump periods from low to high responsiveness of equity returns to the USD exchange rate. Our tests show that interactions between equity returns and exchange rates are asymmetric, i.e., the exchange rate elasticity of equity returns is pronounced during periods of high market volatility and indiscernible at periods of low volatility. These findings may be useful for forecasting equity returns, exchange rates, as well as for asset pricing and portfolio diversification.

我们的研究旨在探索以芝加哥期权交易所波动率指数(VIX)为代表的不同市场风险区的股票市场回报率和汇率之间的相互作用。我们分析了每日S&;P 500的回报率和三种不同的美元汇率:美联储的名义广义美元指数、名义发达外国经济体美元指数和美元兑欧元。我们通过对2006年1月3日至2023年1月23日的每日数据进行自兴奋阈值自回归SETAR(2,p)检验,在三个波动率区间(低、中、高)检查了共动。随后,我们对S&;P 500指数的回报率和美元汇率的对数变化,所有这些都显示了高波动率指数区股票回报率和汇率之间最强劲的冲击传递。我们进一步运行马尔可夫切换测试,以确定股票回报率对美元汇率从低到高的特定跳跃期。我们的测试表明,股票回报率和汇率之间的相互作用是不对称的,即股票回报率的汇率弹性在市场高波动时期是显著的,在低波动时期是不可察觉的。这些发现可能有助于预测股票回报率、汇率,以及资产定价和投资组合多元化。
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引用次数: 0
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Journal of Economic Asymmetries
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