A firm monopsonistically hires labor from a pool containing both skilled and unskilled workers. The marginal value of a worker depends on the match between the job and the worker's skill level. Unskilled workers can have negative productivity if they are placed in a skilled job. The firm cannot...

A firm monopsonistically hires labor from a pool containing both skilled and unskilled workers. The marginal value of a worker depends on the match between the job and the worker's skill level. Unskilled workers can have negative productivity if they are placed in a skilled job. The firm cannot...

We characterize the dynamics of an industry in which demand and costs are constantly evolving so that firms are always adjusting output in response. Firms receive private information about their costs and privately observe components of demand. In addition, firms extract information from prices...