Jeffrey Lin

@jeffrlin.bsky.social

6570 Followers 409 Following

Economist studying cities, regions, and growth. West Philly dad. Views are my own. https://jlin.org/

Alexander Graham Bell
Illustration showing fruit pickers spreading out across an expanding forest
Table showing decomposition of spatial (42%) and non-spatial (58%) forces in total R&D productivity decline, 1948-2015
Figure showing mapping of key growth primitives to objects in our spatial growth model
Figure showing R&D and TFP growth, 1948-2015, from Bloom et al. (2020)
Figure showing correlation of team size and isolation: More isolated inventions use larger teams
Diagram showing circular idea space and location of inventor ("you")
Validation summary table showing GTE outperforming other representations
GTE embeddings show secular decline in pairwise patent similarity
Figure showing declining interference rate over 150 years
Portrait of Alexander Graham Bell
Page from the Chicago classified telephone directory
Chicago Tribune article from May 1973
Title and abstract. “The Bronx is Burning: Urban Disinvestment Effects of the Fair Access to Insurance Requirements.”
Aerial view of NYC
“Scrapple and Biddle”
Program for the 16th Conference on Urban and Regional Economics
Conan interviewing Goldblum
Net migration flows to/from Philadelphia