Location-based social media data is, increasingly, an important facilitator of exploring the movement of goods and people in and between countries across the globe. Typical examples include Twitter, Facebook, Foursquare. As with all social media data outputs, the fundamental value of...

Climate change poses a significant threat to the development of young children, but its impacts are not well known because of data and methodological limitations. Using a unique panel study in disadvantaged rural communities, we find that exposures to low temperatures undermine subsequent...

We estimate the impacts of the large-scale city lockdown following the COVID-19 outbreak on surface water quality in China using the difference-in-differences and event study methods. Using a comprehensive data set of station-level surface water quality in China, we find that dissolved oxygen is...