The late 19th and early 20th century British labour market experienced an influx of female clerical workers. Employers argued that female employment increased opportunities for men to advance; however, most male clerks regarded this expansion of the labour supply as a threat to their pay and...

This paper examines whether more informative job promotions carry larger wage increases. In job assignment models with asymmetric information, unexpected promotions send a signal to the external labor market to revise upward their assessment of a worker's ability. The employing firm must then...