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Related Return Patterns Adjustment Under the Impact of COVID-19 on Hedge Funds 新冠肺炎对对冲基金影响下的相关收益模式调整
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572686
Bokai Wang, Binghui Lan, Jiahui Li, Huiyi Yuan
The latest threat to global health is an ongoing outbreak of a respiratory disease known as COVID-19 and has become a global concern. The exponential spread of the COVID-19 pandemic shook up global markets and caused major adjustments to the world economy. In this paper, we investigate whether these changes affected hedge fund return patterns. We decompose hedge fund index returns into Fama-French factors using data from 2017 – 2019 and compare it to decompositions using data from 2020 and 2021 to date. Our empirical results suggest that the Fama-French factor exposures changed on the conventional hedge funds. This has reflected that COVID-19 has an impact on the return patterns of the hedge funds we selected. The findings have implications for investors and major players in the investment markets. Our research is useful for predicting how the performance of hedge funds changes in market disruption.
对全球健康的最新威胁是一种名为COVID-19的呼吸系统疾病的持续爆发,并已成为全球关注的问题。新冠肺炎疫情呈指数级蔓延,全球市场震荡,世界经济出现重大调整。在本文中,我们研究这些变化是否影响对冲基金的回报模式。我们使用2017年至2019年的数据将对冲基金指数回报分解为法玛-弗朗奇因子,并将其与使用2020年和2021年迄今数据的分解进行比较。实证结果表明,传统对冲基金的Fama-French因子暴露发生了变化。这反映了COVID-19对我们选择的对冲基金的回报模式产生了影响。研究结果对投资者和投资市场的主要参与者有启示意义。我们的研究有助于预测对冲基金的业绩在市场动荡中如何变化。
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引用次数: 0
The Coupling Effect Between Digital Economy and Urban Leisure Industry: A Time Variation Based Quantitative Analysis 数字经济与城市休闲产业的耦合效应:基于时变的定量分析
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572672
Dan-dan Yuan, Yijun Zhang
Digital economy is an important part of realizing the structural optimization and transformation and upgrading of leisure industry structure. Promoting the cross-boundary integrated development of the leisure industry is an inevitable requirement of the social and economic development at the present stage. This paper takes Dongguan as the research area, constructs an evaluation index system of digital economy and leisure industry development, uses entropy weight method to evaluate the comprehensive development level of digital economy and leisure industry, and then analyzes the time variation trend of the coordinated development using coupling coordination degree, relative development model, and correlation analysis model. Results show the following. (1) From 2010 to 2020, the development level of digital economy and leisure industry in Dongguan fluctuates to a good trend. (2) In terms of development trend, from the digital economy lag, leisure industry lag to the synchronous development of both. (3) The coupling coordination shows an upward trend, developing from extreme disorder to mild coordination, but there is still a large room for optimization. Therefore, it is necessary to further improve the high-quality development of digital economy and leisure industry according to local conditions, improve their “coupling coordination degree”, and build a new system of digital leisure industry to realize the sustainable development.
数字经济是实现休闲产业结构优化和转型升级的重要组成部分。促进休闲产业跨界融合发展是现阶段社会经济发展的必然要求。本文以东莞市为研究区,构建了数字经济与休闲产业发展评价指标体系,运用熵权法对数字经济与休闲产业综合发展水平进行评价,然后运用耦合协调度、相对发展模型和相关分析模型分析了协调发展的时间变化趋势。结果显示如下。(1) 2010 - 2020年,东莞市数字经济和休闲产业发展水平波动向好的趋势。(2)从发展趋势上看,从数字经济滞后、休闲产业滞后到两者同步发展。(3)耦合协调性呈上升趋势,由极端无序向轻度协调发展,但仍有较大的优化空间。因此,有必要因地制宜地进一步提升数字经济与休闲产业的高质量发展,提高两者的“耦合协调度”,构建数字休闲产业的新体系,实现可持续发展。
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引用次数: 0
An Analysis on the Competitiveness of Service Trade of China and Laos under the "One Belt and One Road" Initiative “一带一路”倡议下中老服务贸易竞争力分析
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572669
L. Hong, Wan-Ting Li
With the adjustment of the world economic structure and the shift of global industries from manufacturing to service industries under the trend of economic globalization, the service trade in the field of international economy and trade has become increasingly important. Service trade has become one of the important factors affecting a country's international competitiveness. At present, Laos' service trade has problems such as irrational industrial structure and weak capital. However, China's service trade development index ranking has remained at the 20th place in the world for three consecutive years, and the overall stability has been maintained. There is great trade complementarity in the service trade between the two countries. Based on the status quo of the service trade between China and Laos under the “One Belt and One Road” initiative, this article uses data analysis methods to study the competitiveness of China-Laos service trade, including China-Laos service trade value, comparative advantage index, trade competition index, and international market share etc., so as to draw the advantages and prospects of the development of China-Laos service trade, and finally put forward countermeasures to promote China-Laos service trade under the "Belt and Road" initiative.
随着经济全球化趋势下世界经济结构的调整和全球产业从制造业向服务业的转移,服务贸易在国际经济贸易领域的地位日益重要。服务贸易已成为影响一国国际竞争力的重要因素之一。目前,老挝服务贸易存在产业结构不合理、资本薄弱等问题。但中国服务贸易发展指数连续3年居世界第20位,总体保持稳定。两国在服务贸易上有很大的互补性。本文基于“一带一路”倡议下中老服务贸易的现状,运用数据分析方法对中老服务贸易竞争力进行研究,包括中老服务贸易价值、比较优势指数、贸易竞争指数、国际市场占有率等,从而得出中老服务贸易发展的优势和前景。最后提出了在“一带一路”倡议下促进中老服务贸易发展的对策。
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引用次数: 0
Research on Cold Chain Logistics Service Quality Evaluation Considering Product Freshness under Community Group Buying 社区团购下考虑产品新鲜度的冷链物流服务质量评价研究
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572650
Hui Ming, Dan Yuan, Huichuan Dai
In 2019, The outbreak of Corona Virus Disease 2019 (named COVID-19) has caused great changes in the living habits of residents, and the community group buying model has re-emerged. Under the background of community group buying mode, combined with the characteristics of fresh products, and based on the SEVRQUAL model and the national standard of "Logistics Enterprise Cold Chain Service Requirements and Capability Evaluation Indicators", an evaluation index system of cold chain logistics service quality for community group purchase of fresh products with 5 dimensions and 29 indicators is constructed from the perspective of users. Then a 5-level Likert scale was used to design relevant questionnaires, and Xingsheng Youxuan and Meituan Youxuan were used as empirical cases for sample research. Combined collected sample data, the validity and rationality of the index system were tested through reliability, validity testing and factor analysis. The data analysis also shows the problems and influencing factors of Xingsheng Youxuan and Meituan Youxuan in terms of fresh food cold chain logistics service quality, and further suggestions for the development of cold chain logistics services considering product freshness under community group buying is also provided.
2019年,新型冠状病毒病(COVID-19)的爆发使居民的生活习惯发生了巨大变化,社区团购模式重新兴起。在社区团购模式背景下,结合生鲜产品特点,基于SEVRQUAL模型和《物流企业冷链服务需求与能力评价指标》国家标准,从用户角度构建了包含5个维度、29个指标的社区团购生鲜产品冷链物流服务质量评价指标体系。然后采用5级Likert量表设计相关问卷,以幸升优轩和美团优轩为实证案例进行样本研究。结合收集到的样本数据,通过信度检验、效度检验和因子分析对指标体系的有效性和合理性进行检验。数据分析也显示了星盛优轩和美团优轩在生鲜食品冷链物流服务质量方面存在的问题及影响因素,并为社区团购下考虑产品新鲜度的冷链物流服务发展提供进一步建议。
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引用次数: 0
Impact of Enterprise Risk Management Implementation on Fraud Control in Small and Medium Enterprises 实施企业风险管理对中小企业舞弊控制的影响
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572698
Meiryani Meiryani, Michael Evan Lesmana, Justin Nahason, Lindrianasari Lindrianasari, Micheal Wijaya Hadipoespito, Sebastian Prasetya Kresnandita
Technology is developing rapidly in this technological era including businesses. Therefore, the whole population must adapt to the technological change. Adapting to new technology will give a lot of competitive advantages aspect in every business including the small and medium enterprise businesses as it will help the businesses to be more sustainable in the long run. As it is known that most of the SMEs have an essential role in the country's economy growth, especially in developing countries. Therefore, an adaptation to technology is crucial for enterprises to implement. Unfortunately, most of the SMEs have not implemented a risk management system yet which it could create a threat to the sustainability of their enterprises. Risk management itself is important to have for enterprises as it can develop a strategy that is needed to compete with competitor, minimize and control risks from internal and external factor such as fraud, and to make the enterprise itself becoming more sustainable in the long run. The purpose of this study aim is to observe the impact on implementing enterprise risk management (ERM) and determine whether the implementation of risk management could control and minimize fraudulent activity within the enterprises and keeps the company sustainable in the long run.
在这个技术时代,包括商业在内的技术正在迅速发展。因此,整个人口必须适应技术变革。适应新技术将给包括中小企业在内的每个企业带来很多竞争优势,因为它将帮助企业在长期内更具可持续性。众所周知,大多数中小企业在国家的经济增长中起着至关重要的作用,特别是在发展中国家。因此,对技术的适应对于企业的实施至关重要。不幸的是,大多数中小企业尚未实施风险管理系统,这可能对其企业的可持续性造成威胁。风险管理本身对企业来说很重要,因为它可以制定与竞争对手竞争所需的战略,最小化和控制来自内部和外部因素的风险,例如欺诈,并使企业本身从长远来看更具可持续性。本研究的目的是观察实施企业风险管理(ERM)的影响,并确定实施风险管理是否可以控制和减少企业内部的欺诈活动,并保持公司的长期可持续发展。
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引用次数: 0
Event Studies: The Effect of Leaders’ Summit on Electric Vehicle and Clean Power Market 事件研究:领导人峰会对电动汽车和清洁能源市场的影响
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572685
Yuhao Zhao, Shih-Pe Wang, Xiaotong Zhang, Zi Yang
The leaders' climate summit was held in 2021 at a time of growing concern about global warming. This paper collected the S&P 500 Kensho Electric Vehicle Index and S&P 500 Kensho Clean Power Index within 255 days, and the event research method was adopted. Explores and compares electric vehicles and clean energy on the U.S. stock market during the climate summit. Through the visualization of empirical results, at a 95% confidence level, we found that the area beyond the confidence interval was minimal, which was not enough to indicate that this event had a significant impact on these two parts. Therefore, further research is still needed, especially during which environmentally friendly policies become essential, and lots of those kinds of policies appear among different countries.
领导人气候峰会于2021年举行,当时人们对全球变暖的担忧日益加剧。本文采集255天内的标准普尔500 Kensho电动汽车指数和标准普尔500 Kensho清洁能源指数,采用事件研究法。在气候峰会期间,对美国股市上的电动汽车和清洁能源进行了探讨和比较。通过对实证结果的可视化,在95%的置信水平下,我们发现超出置信区间的面积很小,这不足以表明该事件对这两部分产生了显著影响。因此,还需要进一步的研究,特别是在环境友好政策成为必不可少的时期,不同国家之间出现了许多这类政策。
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引用次数: 0
Impact of Remote Audit, Computer Literacy, and Audit Software Skill to Audit Quality during Pandemic of Covid-19 Covid-19大流行期间远程审计、计算机素养和审计软件技能对审计质量的影响
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572659
B. Handoko, Priscillia Freany Natalia Poluan
In order to face industrial revolution 4.0 auditors must start developing their skills. In the past, auditors have used remote audit only to reach remote places. However, currently Covid-19 comes and encourages even more the use of technology and provides an opportunity to rethink the way audits are conducted. In this study, researchers wanted to know how remote audit, computer literacy and audit software skill has affected audit quality. This research is quantitative in nature, by processing data using primary data obtained from distributing questionnaires to auditors who work at public accounting firms in Jabodetabek. Statistical analysis used multiple linear regression, previously carried out a feasibility test through validity, reliability and classical assumption tests. The results showed that the variables of remote audit, computer literacy and audit software skill had a significant effect on the audit quality.
为了面对工业革命4.0,审计师必须开始发展他们的技能。在过去,审核员只使用远程审核到达偏远的地方。然而,目前Covid-19的到来鼓励更多地使用技术,并提供了重新思考审计方式的机会。在这项研究中,研究人员想知道远程审计、计算机素养和审计软件技能是如何影响审计质量的。本研究本质上是定量的,通过使用从分发问卷给在Jabodetabek的会计师事务所工作的审计师获得的原始数据来处理数据。统计分析采用多元线性回归,之前通过效度检验、信度检验和经典假设检验进行可行性检验。结果表明,远程审计、计算机素养和审计软件技能对审计质量有显著影响。
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引用次数: 0
The Impact of Electronic Word of Mouth (eWOM) and Perceived Value on Young Customers’ Purchase Intention for Open-Shelf Cosmetic Products Shopping at Physical Drugstores 电子口碑和感知价值对年轻顾客在实体药店购买开架化妆品意愿的影响
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572656
C. Tsai, Shu-Yen Huang
The cosmetic industry is currently thriving as people gain satisfaction in purchasing beauty-enhancing products. The purpose of this study is to investigate the impact of eWOM and perceived value on young customers’ purchase intention for open-shelf cosmetics products shopping at physical drugstores. The target respondents ranged from 15 to 24 years old, as the young generation contributes to a large portion of the cosmetic market. 243 valid questionnaires were received from people who have purchased cosmetic products once in six months in Taiwan. The confirmatory factor analysis and structural equation model were adopted to analyze the relationship between three constructs: eWOM, perceived value, and purchase intention. The results suggest that perceived value impacts purchase intention positively and directly, while eWOM impacts purchase intention indirectly. This result regarding the consumer behavior of young customers could be utilized in the cosmetic industry's marketing strategy to enhance the sales profit and product competitiveness.
随着人们在购买美容产品中获得满足感,化妆品行业正在蓬勃发展。本研究旨在探讨eWOM与感知价值对年轻顾客在实体药店购买开架化妆品意向的影响。目标受访者的年龄范围从15岁到24岁,因为年轻一代在化妆品市场中占有很大的份额。本研究共收到243份有效问卷,问卷对象为台湾地区6个月内购买过1次化妆品的人士。采用验证性因子分析和结构方程模型分析eWOM、感知价值和购买意愿三个构念之间的关系。结果表明,感知价值对购买意愿的影响是正向和直接的,而eWOM对购买意愿的影响是间接的。这一关于年轻消费者消费行为的研究结果可以用于化妆品行业的营销策略,以提高销售利润和产品竞争力。
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引用次数: 0
Predicting Exchange Rate with FinBERT-Based Sentiment Analysis of Online News 基于finbert的网络新闻情感分析预测汇率
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572667
P. Hájek, Josef Novotny, Jaroslav Kovarnik
The area of news-based sentiment is attracting growing attention in finance due to its recognized effect on traders’ sentiment and risk attitudes. Recently, contextualized word embedding models have been increasingly used to detect sentiment in online news. Despite this interest, few studies have considered the finance-specific news sentiment for financial prediction tasks. In this paper, we present a contextualized sentiment analysis model using a state-of-the-art FinBERT language model. We evaluate the performance of the fine-tuned FinBERT sentiment analysis model in the task of EUR/USD currency movement prediction. The results reported here confirm that the fine-tuned FinBERT is more effective than both the existing lexicon-based sentiment approaches and the survey-based Sentix index. In particular, substantial improvement in prediction performance is reported for different prediction horizons, ranging from 1-day-ahead to 180-day-ahead predictions.
基于新闻的情绪在金融领域越来越受到关注,因为它对交易者的情绪和风险态度有公认的影响。近年来,语境化词嵌入模型越来越多地用于在线新闻的情感检测。尽管有这种兴趣,但很少有研究将金融特定的新闻情绪考虑到金融预测任务中。在本文中,我们提出了一个使用最先进的FinBERT语言模型的情境化情感分析模型。我们评估了微调FinBERT情绪分析模型在欧元/美元货币走势预测任务中的表现。本文报告的结果证实,微调后的FinBERT比现有的基于词典的情感方法和基于调查的Sentix指数都更有效。特别是,据报道,在从1天到180天的不同预测范围内,预测性能有了实质性的改进。
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引用次数: 0
Analysis on The Effectiveness of Augmented Artificial Intelligence Implementation in Preventing Fraudulent Financial Statement by Utilizing Beneish M-Score Model 基于Beneish M-Score模型的增强型人工智能实施在防止财务报表舞弊中的有效性分析
Pub Date : 2022-10-14 DOI: 10.1145/3572647.3572695
K. Deniswara, M. Jonathan, Archie Nathanael Mulyawan, Irvan Santoso
This study aims to analyze the effectiveness of augmented artificial intelligence implementation, which is PwC's GL.ai, in preventing fraudulent financial statement by utilizing Beneish M-Score model. The population of this study is all PwC Indonesia's clients that are listed in Indonesia Stock Exchange for the period of 2017-2021. Purposive sampling is used as sampling procedure and paired sample t-test, effect size statistic, along with statistic descriptive test are applied as the data analysis methods of this study, By utilizing Beneish M-Score model as a proxy to calculate the likelihood of manipulation in companies’ financial statements, this study concludes that the implementation of augmented artificial intelligence, namely PwC's GL.ai is an effective treatment to prevent the probability of fraudulent financial statement from occurring.
本研究旨在分析增强人工智能实施的有效性,即普华永道的GL.ai,利用Beneish M-Score模型防止欺诈性财务报表。本研究的人口是普华永道印度尼西亚在2017-2021年期间在印度尼西亚证券交易所上市的所有客户。本研究采用有目的抽样作为抽样程序,并采用配对样本t检验、效应量统计以及统计描述性检验作为数据分析方法,利用Beneish M-Score模型作为代理计算公司财务报表被操纵的可能性,本研究得出增强人工智能的实施,即普华永道的GL.ai是防止虚假财务报表发生概率的有效处理方法。
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引用次数: 0
期刊
Proceedings of the 2022 6th International Conference on E-Business and Internet
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