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Related papers: COVID-19 and the stock market: evidence from Twitt…

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We employed the log-periodic power law singularity (LPPLS) methodology to systematically investigate the 2020 stock market crash in the U.S. equities sectors with different levels of total market capitalizations through four major U.S.…

Risk Management · Quantitative Finance 2021-01-12 Min Shu , Ruiqiang Song , Wei Zhu

The outbreak of the novel Coronavirus Disease 2019 (COVID-19) has lasted for nearly two years and caused unprecedented impacts on people's daily life around the world. Even worse, the emergence of the COVID-19 Delta variant once again puts…

Computers and Society · Computer Science 2021-11-09 Hui Yin , Xiangyu Song , Shuiqiao Yang , Jianxin Li

The outbreak COVID-19 virus caused a significant impact on the health of people all over the world. Therefore, it is essential to have a piece of constant and accurate information about the disease with everyone. This paper describes our…

Computation and Language · Computer Science 2021-04-02 Tin Van Huynh , Luan Thanh Nguyen , Son T. Luu

The COVID-19 pandemic has produced a flurry of online activity on social media sites. As such, analysis of social media data during the COVID-19 pandemic can produce unique insights into discussion topics and how those topics evolve over…

Social and Information Networks · Computer Science 2020-08-05 Iain J. Cruickshank , Kathleen M. Carley

One of the most impactful measures to fight the COVID-19 pandemic in its early first years was the lockdown, implemented by governments to reduce physical contact among people and minimize opportunities for the virus to spread. As people…

Social and Information Networks · Computer Science 2024-07-02 Kamer Cekini , Elisabetta Biondi , Chiara Boldrini , Andrea Passarella , Marco Conti

The use of social media data, like Twitter, for biomedical research has been gradually increasing over the years. With the COVID-19 pandemic, researchers have turned to more nontraditional sources of clinical data to characterize the…

Information Retrieval · Computer Science 2021-07-28 Luis Alberto Robles Hernandez , Tiffany J. Callahan , Juan M. Banda

We investigate the relationship between social media, Twitter in particular, and stock market. We provide an in-depth analysis of the Twitter volume and sentiment about the 30 companies in the Dow Jones Industrial Average index, over a…

Computers and Society · Computer Science 2021-08-31 Peter Gabrovsek , Darko Aleksovski , Igor Mozetic , Miha Grcar

This study analyzes the impact of the COVID-19 pandemic on the subjective well-being as measured through Twitter data indicators for Japan and Italy. It turns out that, overall, the subjective well-being dropped by 11.7% for Italy and 8.3%…

General Economics · Economics 2021-01-20 Tiziana Carpi , Airo Hino , Stefano Maria Iacus , Giuseppe Porro

The COVID-19 Omicron variant, reported to be the most immune evasive variant of COVID-19, is resulting in a surge of COVID-19 cases globally. This has caused schools, colleges, and universities in different parts of the world to transition…

Social and Information Networks · Computer Science 2022-08-17 Nirmalya Thakur

The novel corona-virus disease (also known as COVID-19) has led to a pandemic, impacting more than 200 countries across the globe. With its global impact, COVID-19 has become a major concern of people almost everywhere, and therefore there…

Computation and Language · Computer Science 2020-09-22 Meysam Asgari-Chenaghlu , Narjes Nikzad-Khasmakhi , Shervin Minaee

The COVID-19 pandemic brought upon a massive wave of disinformation, exacerbating polarization in the increasingly divided landscape of online discourse. In this context, popular social media users play a major role, as they have the…

Social and Information Networks · Computer Science 2023-07-25 Giacomo De Nicola , Victor H. Tuekam Mambou , Göran Kauermann

The outbreak of the SARS-CoV-2 novel coronavirus (COVID-19) has been accompanied by a large amount of misleading and false information about the virus, especially on social media. During the pandemic social media gained special interest as…

Social and Information Networks · Computer Science 2022-02-11 Guillermo Romera Rodriguez , Sanjana Gautam , Andrea Tapia

Risk and response communication of public agencies through social media played a significant role in the emergence and spread of novel Coronavirus (COVID-19) and such interactions were echoed in other information outlets. This study…

Social and Information Networks · Computer Science 2020-08-11 Md Ashraf Ahmed , Arif Mohaimin Sadri , M. Hadi Amini

Since the first alert launched by the World Health Organization (5 January, 2020), COVID-19 has been spreading out to over 180 countries and territories. As of June 18, 2020, in total, there are now over 8,400,000 cases and over 450,000…

The Covid-19 has presented an unprecedented challenge to public health worldwide. However, residents in different countries showed diverse levels of Covid-19 awareness during the outbreak and suffered from uneven health impacts. This study…

Administering COVID-19 vaccines at a societal scale has been deemed as the most appropriate way to defend against the COVID-19 pandemic. This global vaccination drive naturally fueled a possibility of Pro-Vaxxers and Anti-Vaxxers strongly…

Social and Information Networks · Computer Science 2021-11-23 Soham Poddar , Mainack Mondal , Janardan Misra , Niloy Ganguly , Saptarshi Ghosh

We address the diffusion of information about the COVID-19 with a massive data analysis on Twitter, Instagram, YouTube, Reddit and Gab. We analyze engagement and interest in the COVID-19 topic and provide a differential assessment on the…

Anti-vaccine sentiments have been well-known and reported throughout the history of viral outbreaks and vaccination programmes. The COVID-19 pandemic had fear and uncertainty about vaccines which has been well expressed on social media…

Social and Information Networks · Computer Science 2023-06-27 Rohitash Chandra , Jayesh Sonawane , Janhavi Lande , Cathy Yu

This research investigates the growing trend of retail investors participating in certain stocks by organizing themselves on social media platforms, particularly Reddit. Previous studies have highlighted a notable association between Reddit…

Computational Finance · Quantitative Finance 2023-08-22 Tim Matthies , Thomas Löhden , Stephan Leible , Jun-Patrick Raabe

Despite the wide availability of COVID-19 vaccines in the United States and their effectiveness in reducing hospitalizations and mortality during the pandemic, a majority of Americans chose not to be vaccinated during 2021. Recent work…

Social and Information Networks · Computer Science 2026-02-09 John Bollenbacher , Filippo Menczer , John Bryden