Agglomeration externalities and productivity growth: US cities, 1880–1930

C-Tier

Journal: Economic History Review

Year: 2020

Volume: 73

Issue: 1

Pages: 209-232

Authors (2)

Alexander Klein (not in RePEc) Nicholas Crafts

Score contribution per author:

0.505 = (α=2.02 / 2 authors) × 0.5x C-tier

α: calibrated so average coauthorship-adjusted count equals average raw count