Dennis Culhane (PSC Research Associate) opened the Spring 2021 Penn Population Studies Colloquium Series on January 25, 2021. The session, entitled “Advances in the Establishment of Administrative Data Linkage Centers for Population and Policy Research,” focused on how Culhane and his colleagues make innovative use of existing big data sources as an alternative to traditional survey or census data. Read more on the Social Policy & Practice (SP2) website and see the recording of the talk.