The Geography of Social Ties
May 3, 2021 52 views 
This talk will describe how social networks crisscross the world. Geographic patterns emerge from historical borders, as well as migrations past and present. They correlate with myriad different phenomena, from trade to COVID cases. Furthermore, having social connections to regions experiencing changes, for example in house prices or COVID cases, is tied to corresponding responses in house buying or social distancing, beyond what is expected based on changes within one’s own region.