New @SDSUCHEPS paper by Dhaval Dave @FriedsonAndrew @Drew_McNichols & Joe Sabia ("Contagion Externality of Super-spreader") finds Sturgis Motorcycle Rally was a local & nationwide spreader of COVID-19. Estimated public health cost: ~$12B

See: https://t.co/uByz9ja6hL pic.twitter.com/jdLlLkwRek

— CHEPS (@SDSUCHEPS) September 6, 2020