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At the beginning of the COVID-19 outbreak in March, we observed one of the largest stock market crashes in history. Within the months following this, a volatile bullish climb back to pre-pandemic performances and higher. In this paper, we…

General Economics · Economics 2024-07-09 Ziyuan Xia , Jeffery Chen , Anchen Sun

The outbreak of the COVID-19 pandemic has been accompanied by a bulk of scientific research and related Twitter discussions. To unravel the public concerns about the COVID-19 crisis reflected in the science-based Twitter conversations, this…

Digital Libraries · Computer Science 2020-06-11 Zhichao Fang , Rodrigo Costas

We study the investor beliefs, sentiment and disagreement, about stock market returns during the COVID-19 pandemic using a large number of messages of investors on a social media investing platform, \textit{StockTwits}. The rich and…

Statistical Finance · Quantitative Finance 2020-05-11 Hasan Fallahgoul

At the time of this writing, the novel coronavirus (COVID-19) pandemic outbreak has already put tremendous strain on many countries' citizens, resources and economies around the world. Social distancing measures, travel bans,…

Social and Information Networks · Computer Science 2020-06-04 Emily Chen , Kristina Lerman , Emilio Ferrara

In this paper, we collect and study Twitter communications to understand the socio-economic impact of COVID-19 in the United States during the early days of the pandemic. Our analysis reveals that COVID-19 gripped the nation during this…

Social and Information Networks · Computer Science 2020-04-14 Swaroop Gowdra Shanthakumar , Anand Seetharam , Arti Ramesh

The coronavirus disease (COVID-19) continues to have devastating effects across the globe. No nation has been free from the uncertainty brought by this pandemic. The health, social and economic tolls associated with it are causing strong…

Computers and Society · Computer Science 2022-02-04 Truong Luu , Rosangela Follmann

Background. After a year and half and over 4 million deaths, the COVID-19 pandemic continues to be widespread, and its related topics continue to dominate the global media. Although COVID-19 diagnoses have been well monitored, neither the…

Computers and Society · Computer Science 2021-08-19 Guangqing Chi , Junjun Yin , M. Luke Smith , Yosef Bodovski

In this paper, we collect and study Twitter communications to understand the societal impact of COVID-19 in the United States during the early days of the pandemic. With infections soaring rapidly, users took to Twitter asking people to…

Social and Information Networks · Computer Science 2020-10-30 Swaroop Gowdra Shanthakumar , Anand Seetharam , Arti Ramesh

The COVID-19 pandemic has caused widespread devastation throughout the world. In addition to the health and economical impacts, there is an enormous emotional toll associated with the constant stress of daily life with the numerous…

Social and Information Networks · Computer Science 2020-12-08 Jolin Shaynn-Ly Kwan , Kwan Hui Lim

The Web is a vast virtual space where people can share their opinions, impacting all aspects of life and having implications for marketing and communication. The most up-to-date and comprehensive information can be found on social media…

Machine Learning · Computer Science 2023-02-15 Melvin Mokhtari , Ali Seraj , Niloufar Saeedi , Adel Karshenas

In 2020, COVID-19 became the chief concern of the world and is still reflected widely in all social networks. Each day, users post millions of tweets and comments on this subject, which contain significant implicit information about the…

Social and Information Networks · Computer Science 2021-10-13 Hamed Vahdat-Nejad , Fatemeh Salmani , Mahdi Hajiabadi , Faezeh Azizi , Sajedeh Abbasi , Mohadese Jamalian , Reyhane Mosafer , Hamideh Hajiabadi

One of the most important incidents in the world in 2020 is the outbreak of the Coronavirus. Users on social networks publish a large number of comments about this event. These comments contain important hidden information of public opinion…

Computation and Language · Computer Science 2021-10-06 Fatemeh Salmani , Hamed Vahdat-Nejad , Hamideh Hajiabadi

The human severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2), causing the COVID-19 disease, has continued to spread all over the world. It menacingly affects not only public health and global economics but also mental health and…

Social and Information Networks · Computer Science 2023-04-03 Qihuang Zhang , Grace Y. Yi , Li-Pang Chen , Wenqing He

The main objective of this study is to check short term stress of COVID-19 on the American, European, Asian, and Pacific stock market indices, furthermore, the correlation between all the stock markets during the pandemic. Secondary data of…

General Finance · Quantitative Finance 2020-08-17 Muhammad Rehan , Jahanzaib Alvi , Suleyman Serdar Karaca

COVID-19 related policies were extensively politicized during the 2020 election year of the United States, resulting in polarizing viewpoints. Twitter users were particularly engaged during the 2020 election year. Here we investigated…

Computation and Language · Computer Science 2022-02-16 Megan Doman , Jacob Motley , Hong Qin , Mengjun Xie , Li Yang

Since the outbreak of coronavirus disease 2019 (COVID-19) in the late 2019, it has affected over 200 countries and billions of people worldwide. This has affected the social life of people owing to enforcements, such as "social distancing"…

Social and Information Networks · Computer Science 2020-04-20 Zhiwei Gao , Shuntaro Yada , Shoko Wakamiya , Eiji Aramaki

Timely access to accurate information is crucial during the COVID-19 pandemic. Prompted by key stakeholders' cautioning against an "infodemic", we study information sharing on Twitter from January through May 2020. We observe an overall…

Social and Information Networks · Computer Science 2020-08-20 Kristina Gligorić , Manoel Horta Ribeiro , Martin Müller , Olesia Altunina , Maxime Peyrard , Marcel Salathé , Giovanni Colavizza , Robert West

Due to the outbreak of COVID-19, users are increasingly turning to online services. An increase in social media usage has also been observed, leading to the suspicion that this has also raised cyberbullying. In this initial work, we explore…

Social and Information Networks · Computer Science 2020-09-01 Sanchari Das , Andrew Kim , Sayar Karmakar

The study aims to understand Twitter users' discourse and psychological reactions to COVID-19. We use machine learning techniques to analyze about 1.9 million Tweets (written in English) related to coronavirus collected from January 23 to…

Social and Information Networks · Computer Science 2021-01-27 Jia Xue , Junxiang Chen , Chen Chen , Chengda Zheng , Sijia Li , Tingshao Zhu

Since its outbreak, the ongoing COVID-19 pandemic has caused unprecedented losses to human lives and economies around the world. As of 18th July 2020, the World Health Organization (WHO) has reported more than 13 million confirmed cases…

Social and Information Networks · Computer Science 2020-08-21 Rajdeep Mukherjee , Sriyash Poddar , Atharva Naik , Soham Dasgupta
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