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We study the impact of event-specific attention indices -- based on Google Trends -- in predictive price variation models before and during the Russian invasion of Ukraine in February 2022. We extend our analyses to the importance of…

综合金融 · 定量金融 2022-11-04 Martina Halousková , Daniel Stašek , Matúš Horváth

The paper considers exploratory data analysis and approaches in predictive analytics for air alerts during the Russian-Ukrainian war which broke out on Feb 24, 2022. The results illustrate that alerts in regions correlate with one another…

机器学习 · 计算机科学 2024-11-25 Demian Pavlyshenko , Bohdan Pavlyshenko

The concept of entropy is not uniquely relevant to the statistical mechanics but among others it can play pivotal role in the analysis of a time series, particularly the stock market data. In this area sudden events are especially…

In 2022, Ukraine is suffering an invasion which has resulted in acute impacts playing out over time and geography. This paper examines the impact of the ongoing disruption on traffic behavior using analytics as well as zonal-based network…

神经与进化计算 · 计算机科学 2022-08-10 S. Travis Waller , Moeid Qurashi , Anna Sotnikova , Lavina Karva , Sai Chand

We investigate the impact of several critical events associated with the Russo Ukrainian war, started officially on 24 February 2022 with the Russian invasion of Ukraine, on ten European electricity markets, two natural gas markets (the…

On 24 February 2022 Russia invaded Ukraine, starting one of the largest military conflicts in Europe in recent years. In this paper we present preliminary findings about the impact of the conflict on the Internet performance in Ukraine and…

网络与互联网体系结构 · 计算机科学 2022-05-19 Tal Mizrahi , Jose Yallouz

On 24 February 2022, Russia invaded Ukraine, starting what is now known as the Russo-Ukrainian War, initiating an online discourse on social media. Twitter as one of the most popular SNs, with an open and democratic character, enables a…

In this paper we contrast the dynamics of the 2022 Ukraine invasion financial crisis with notable financial crises of the 21st century - the dot-com bubble, global financial crisis and COVID-19. We study the similarity in market dynamics…

统计金融 · 定量金融 2023-10-11 Nick James , Max Menzies

How do severe shocks such as war alter the economy? We study how a country's production network is affected by a devastating but localized conflict. Using unique transaction-level data on Ukrainian railway shipments around the start of the…

综合经济学 · 经济学 2022-08-02 Vasily Korovkin , Alexey Makarin

This paper identifies the causal effects of full-scale kremlin aggression on socio-economic outcomes in Ukraine three months into the full-scale war. First, forced migration after February 24th, 2022 is associated with an elevated risk of…

综合经济学 · 经济学 2022-11-11 Maksym Obrizan

Access to detailed war impact assessments is crucial for humanitarian organizations to assist affected populations effectively. However, maintaining a comprehensive understanding of the situation on the ground is challenging, especially in…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Olivier Dietrich , Torben Peters , Vivien Sainte Fare Garnot , Valerie Sticher , Thao Ton-That Whelan , Konrad Schindler , Jan Dirk Wegner

With Twitter's growth and popularity, a huge number of views are shared by users on various topics, making this platform a valuable information source on various political, social, and economic issues. This paper investigates English tweets…

计算与语言 · 计算机科学 2023-01-03 Hamed Vahdat-Nejad , Mohammad Ghasem Akbari , Fatemeh Salmani , Faezeh Azizi , Hamid-Reza Nili-Sani

This paper investigates how geopolitical conflict reshapes trade patterns, focusing on the economic consequences of the Russo-Ukrainian war on European and global trade flows. War is conceptualized as a shock that increases bilateral trade…

综合经济学 · 经济学 2026-05-19 Luigi Capoani , Margarita Shnaider , Piergiorgio Martini

This study applies a range of forecasting techniques,including ARIMA, Prophet, Long Short Term Memory networks (LSTM), Temporal Convolutional Networks (TCN), and XGBoost, to model and predict Russian equipment losses during the ongoing war…

机器学习 · 计算机科学 2025-09-10 Jonathan Teagan

On 24 February 2022, Russia invaded Ukraine, also known now as Russo-Ukrainian War. We have initiated an ongoing dataset acquisition from Twitter API. Until the day this paper was written the dataset has reached the amount of 57.3 million…

社会与信息网络 · 计算机科学 2022-04-20 Alexander Shevtsov , Christos Tzagkarakis , Despoina Antonakaki , Polyvios Pratikakis , Sotiris Ioannidis

Artificial intelligence techniques have increasingly been applied to understand the complex relationship between public sentiment and financial market behaviour. This study explores the relationship between the sentiment of news related to…

统计金融 · 定量金融 2025-10-21 Domenica Mino , Cillian Williamson

The massive proliferation of social media data represents a transformative opportunity for conflict studies and for tracking the proliferation and use of weaponry, as conflicts are increasingly documented in these online spaces. At the same…

计算机与社会 · 计算机科学 2025-05-29 Afia Abedin , Abdul Bais , Cody Buntain , Laura Courchesne , Brian McQuinn , Matthew E. Taylor , Muhib Ullah

The mission of resilience of Ukrainian cities calls for international collaboration with the scientific community to increase the quality of information by identifying and integrating information from various news and social media sources.…

计算机与社会 · 计算机科学 2025-01-28 Manar Attar , Shuai Wang , Ronald Siebes , Eirik Kultorp , Zhisheng Huang , Tianyang Lu

The onset of the Russo-Ukrainian crisis has led to the rapid depreciation of the Russian ruble. In this study, we model intraday price fluctuations of the USD/RUB and the EUR/RUB exchange rates from the $1^{st}$ of December 2021 to the…

综合金融 · 定量金融 2022-05-20 Štefan Lyócsa , Tomáš Plíhal

This study analyzes the financial resilience of agricultural and food production companies in Spain amid the Ukraine-Russia war using cluster analysis based on financial ratios. This research utilizes centered log-ratios to transform…

统计金融 · 定量金融 2026-05-29 Mike Hernandez-Romero , Germà Coenders
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