This paper tackles some issues in personnel economics using the career profiles of British naval officers during the late 19th and early 20th centuries. We ask how promotions, payouts, positions, and peers affect worker retention. Random variation in task assignments and job promotions allows us...

Technological change was unskilled-labor-biased during the early Industrial Revolution, but is skill-biased today. This is not embedded in extant unified growth models. We develop a model which can endogenously account for these facts, where factor bias reflects profit-maximizing decisions by...