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Dealing with structural breaks is an important step in most, if not all, empirical economic research. This is particularly true in panel data comprised of many cross-sectional units, such as individuals, firms or countries, which are all…

Econometrics · Economics 2021-11-05 Yiannis Karavias , Paresh Narayan , Joakim Westerlund

The sudden onset of the coronavirus (SARS-CoV-2) pandemic has resulted in tremendous loss of human life and economy in more than 210 countries and territories around the world. While self-protections such as wearing mask, sheltering in…

This paper uses new and recently introduced methodologies to study the similarity in the dynamics and behaviours of cryptocurrencies and equities surrounding the COVID-19 pandemic. We study two collections; 45 cryptocurrencies and 72…

Statistical Finance · Quantitative Finance 2021-07-30 Nick James

This study examines short-term market responses to material cybersecurity incidents disclosed under Item 1.05 of Form 8-K. Drawing on a sample of disclosures made between 2023 and 2025, daily stock price movements were evaluated over a…

Mathematical Finance · Quantitative Finance 2025-12-09 Maxwell Block

Touristic cities will suffer from COVID-19 emergency because of its economic impact on their communities. The first emergency phases involved a wide closure of such areas to support "social distancing" measures (i.e. travels limitation;…

Physics and Society · Physics 2021-07-14 Marco D'Orazio , Gabriele Bernardini , Enrico Quagliarini

Grave human toll notwithstanding, the COVID-19 pandemic created uniquely unstable conditions in financial markets. In this work we uncover and discuss relationships involving sentiment in financial publications during the 2020…

Computation and Language · Computer Science 2021-09-10 Philip Hossu , Natalie Parde

We develop an air mobility index and use the newly developed Apple's driving trend index to evaluate the impact of COVID-19 on the crude oil price. We use quantile regression and stationary and non-stationary extreme value models to study…

Applications · Statistics 2021-01-05 Asim K. Dey , Kumer P. Das

COVID-19 has had a much larger impact on the financial markets compared to previous epidemics because the news information is transferred over the social networks at a speed of light. Using Twitter's API, we compiled a unique dataset with…

General Economics · Economics 2020-11-18 Rahul Goel , Lucas Javier Ford , Maksym Obrizan , Rajesh Sharma

We analyse the economics and epidemiology of different scenarios for a phased restart of the UK economy. Our economic model is designed to address the unique features of the COVID-19 pandemic. Social distancing measures affect both supply…

General Economics · Economics 2020-05-22 Anton Pichler , Marco Pangallo , R. Maria del Rio-Chanona , François Lafond , J. Doyne Farmer

National and local governments have implemented a large number of policies in response to the Covid-19 pandemic. Evaluating the effects of these policies, both on the number of Covid-19 cases as well as on other economic outcomes is a key…

Econometrics · Economics 2022-10-25 Brantly Callaway , Tong Li

Many countries have introduced social distancing rules during the COVID-19 pandemic in order to reduce spreading of the virus in public spaces. This has inspired research on pedestrian dynamics in more ways than just one. Many studies have…

Physics and Society · Physics 2023-08-14 Mohcine Chraibi , Andreas Schadschneider , Antoine Tordeux

COVID-19 has caused widespread damage across many areas of life and has made humans more dependent on the internet and technology making us realize the importance of secure remote working environments. While social separation is encouraged…

Cryptography and Security · Computer Science 2023-02-27 Somya Khatri , Aswani Kumar Cherukuri , Firuz Kamalov

Using an individual-level panel dataset from Japan covering the period 2016-2024, we examined how the COVID-19 pandemic, as an unanticipated public crisis, affected preferences for income redistribution. Furthermore, we investigated how the…

General Economics · Economics 2026-03-09 Eiji Yamamura , Fumio Ohtake

This study examines the impact of the coronavirus disease 2019 (COVID-19) pandemic on market efficiency by analyzing three time series -- price returns, absolute returns, and volatility increments -- in stock (Deutscher Aktienindex, Nikkei…

Statistical Finance · Quantitative Finance 2025-05-16 Tetsuya Takaishi

40 days after the start of the international monitoring of COVID-19, we search for the effect of official announcements regarding new cases of infection and death ratio on the financial markets volatility index (VIX). Whereas the new cases…

Computational Finance · Quantitative Finance 2020-03-10 Claudiu Albulescu

The US stock market experienced instability following the recession (2007-2009). COVID-19 poses a significant challenge to US stock traders and investors. Traders and investors should keep up with the stock market. This is to mitigate risks…

Econometrics · Economics 2023-06-07 Reza Nematirad , Amin Ahmadisharaf , Ali Lashgari

Social distancing as one of the main non-pharmaceutical interventions can help slow down the spread of diseases, like in the COVID-19 pandemic. Effective social distancing, unless enforced as drastic lockdowns and mandatory cordon…

Physics and Society · Physics 2020-11-30 Alina Glaubitz , Feng Fu

Financial market resilience reflects the ability of a financial market to withstand external shocks and to recover from them, while its measurement has yet to be standardized. Accordingly, this paper quantifies the adaptability and…

Risk Management · Quantitative Finance 2025-11-13 Si-Yao Wei , Kun-Liang Jiang , Wei-Xing Zhou

In response to the worldwide outbreak of the coronavirus disease COVID-19, a variety of nonpharmaceutical interventions such as face masks and social distancing have been implemented. A careful assessment of the effects of such containment…

Populations and Evolution · Quantitative Biology 2021-05-18 Michael te Vrugt , Jens Bickmann , Raphael Wittkowski

During the COVID-19 pandemic, the behavioral response to reported case numbers changed drastically over time. While a few dozen cases were enough to trigger government-induced and voluntary contact reduction in early 2020, less than a year…

Physics and Society · Physics 2023-09-27 Bastian Heinlein , Manlio De Domenico