README for crosswalk file cw_hs6_sic87dd.dta
David Dorn

Note: The HS 6-digit codes are based on the 1996/2002 versions of the HS classification. 

Please cite as source for this file:
David Autor, David Dorn and Gordon Hanson. "The China Syndrome: Local Labor Market Effects of Import Competition in the United States." American Economic Review, 103(6), 2121-2168, 2013.