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Related papers: Spatiotemporal evolution of PM2.5 diffusion in Che…

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We develop a multiple-events model and exploit within and between country variation in the timing, type and level of intensity of various public policies to study their dynamic effects on the daily incidence of COVID-19 and on population…

Econometrics · Economics 2021-02-03 Nikos Askitas , Konstantinos Tatsiramos , Bertrand Verheyden

Air pollutants pose a significant threat to the environment and human health, thus forecasting accurate pollutant concentrations is essential for pollution warnings and policy-making. Existing studies predominantly focus on single-pollutant…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Xu Fan , Zhihao Wang , Yuetan Lin , Yan Zhang , Yang Xiang , Hao Li

Started in Wuhan, China, the COVID-19 has been spreading all over the world. We calibrate the logistic growth model, the generalized logistic growth model, the generalized Richards model and the generalized growth model to the reported…

Populations and Evolution · Quantitative Biology 2020-09-24 Ke Wu , Didier Darcet , Qian Wang , Didier Sornette

Many policies in the US are determined locally, e.g., at the county-level. Local policy regimes provide flexibility between regions, but may become less effective in the presence of geographic spillovers, where populations circumvent local…

Computers and Society · Computer Science 2022-12-14 Serina Chang , Damir Vrabac , Jure Leskovec , Johan Ugander

During the 2020 pandemic caused by the COVID-19 virus, many countries implemented stay-at-home measures, which led to many businesses and schools moving from in-person to online mode of operation. We analyze sampled Netflow records at a…

Networking and Internet Architecture · Computer Science 2022-03-03 Jelena Mirkovic , Yebo Feng , Jun Li

Air pollution constitutes the highest environmental risk factor in relation to heath. In order to provide the evidence required for health impact analyses, to inform policy and to develop potential mitigation strategies comprehensive…

Applications · Statistics 2021-08-23 Matthew L. Thomas , Gavin Shaddick , Daniel Simpson , Kees de Hoogh , James V. Zidek

To contain the pandemic of coronavirus (COVID-19) in Mainland China, the authorities have put in place a series of measures, including quarantines, social distancing, and travel restrictions. While these strategies have effectively dealt…

General Economics · Economics 2020-05-08 Jizhou Huang , Haifeng Wang , Haoyi Xiong , Miao Fan , An Zhuo , Ying Li , Dejing Dou

Industrial activities carried out in confined spaces are characterized by a very specific type of air pollution. The extended exposure to this kind of pollution is often highly harmful, resulting in dramatic effects both on health and…

Air pollution is an emerging problem that needs to be solved especially in developed and developing countries. In Vietnam, air pollution is also a concerning issue in big cities such as Hanoi and Ho Chi Minh cities where air pollution comes…

Physics and Society · Physics 2022-12-06 Chuong D. Le , Hoang V. Pham , Duy A. Pham , An D. Le , Hien B. Vo

In all Countries the political decisions aim to achieve an almost stable configuration with a small number of new infected individuals per day due to Covid-19. When such a condition is reached, the containment effort is usually reduced in…

Populations and Evolution · Quantitative Biology 2020-12-03 D. Lanteri , D. Carcò , P. Castorina , M. Ceccarelli , B. Cacopardo

We develop a spatially dependent generalisation to the Wells-Riley model and its extensions applied to COVID-19, that determines the infection risk due to airborne transmission of viruses. We assume that the concentration of infectious…

Quantitative Methods · Quantitative Biology 2021-05-19 Zechariah Lau , Ian M. Griffiths , Aaron English , Katerina Kaouri

This study develops a new method to quantify neighborhood activity levels at high spatial and temporal resolutions and test whether, and to what extent, behavioral responses to social distancing policies vary with socioeconomic and…

Computers and Society · Computer Science 2020-08-05 Boyeong Hong , Bartosz Bonczak , Arpit Gupta , Lorna Thorpe , Constantine E. Kontokosta

Social distancing and stay-at-home are among the few measures that are known to be effective in checking the spread of a pandemic such as COVID-19 in a given population. The patterns of dependency between such measures and their effects on…

Applications · Statistics 2021-03-19 Frank Nielsen , Gautier Marti , Sumanta Ray , Saumyadipta Pyne

China's rapid economic growth resulted in serious air pollution, which caused substantial losses to economic development and residents' health. In particular, the road transport sector has been blamed to be one of the major emitters. During…

General Finance · Quantitative Finance 2015-12-08 Sheng Yang , Ling-Yun He

We study the spread of Covid-19 across neighbourhoods of cities in the developing world and find that small numbers of neighbourhoods account for a majority of cases (k-index~0.7). We also find that the countrywide distribution of cases…

Physics and Society · Physics 2020-10-15 Anand Sahasranaman , Henrik Jeldtoft Jensen

One of the critical measures to control infectious diseases is a lockdown. Once past the lockdown stage in many parts of the world, the crucial question now concerns the effects of relaxing the lockdown and finding the best ways to…

Populations and Evolution · Quantitative Biology 2025-10-14 Ravi Kiran , Madhumita Roy , Syed Abbas , A. Taraphder

The integration of satellite-derived aerosol optical depth (AOD) and station-measured PM2.5 provides a promising approach for obtaining spatial PM2.5 data. Several spatiotemporal models, which considered spatial and temporal heterogeneities…

Atmospheric and Oceanic Physics · Physics 2018-11-14 Tongwen Li , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang

Recently, air pollution is one of the most concerns for big cities. Predicting air quality for any regions and at any time is a critical requirement of urban citizens. However, air pollution prediction for the whole city is a challenging…

Machine Learning · Computer Science 2019-12-02 Van-Duc Le , Tien-Cuong Bui , Sang Kyun Cha

Urbanization has a large impact on human society. Besides, global warming has become an increasingly popular topic since global warming will not only play a significant role in human beings daily life but also have a huge impact on the…

Atmospheric and Oceanic Physics · Physics 2019-09-19 Xinyi Ai , Yichuan Huang , Qizhen Dong , Kai Yang , Danhong Dong , Xichen Li

Using the carefully selected industry classification standard, we divide 102 industry securities indices in China's stock market into four demand-oriented sector groups and identify demand-oriented industry-specific volatility spillover…

General Finance · Quantitative Finance 2020-07-16 Fu Qiao , Yan Yan