Abstract
Many workers in large factories in developing countries are internal migrants from rural areas. We develop a model in which migrants are poorly informed about working conditions upon beginning work but learn more as they gain experience in the industry. We then examine the relationship between workers' migration status and the working conditions they face in a household survey of garment workers in Bangladesh. Consistent with the model, migrants are in firms with higher wages but worse working conditions, but as their careers progress, they have higher mobility than locals as they move towards firms with better conditions.