Chin, Aimee; Juhn, Chinhui; Thompson, Peter - Department of Economics, Florida International University - 2004
development of powerful and economical steam engines — on skill demand and the wage structure among the merchant marine. Our data …-bodied seamen were replaced by laborers in the engine room. On the other hand, able-bodied seamen employed on steam earned a premium … relative to their counterparts on sail. Our data allow us to identify this steam premium as a skill premium rather than a …