A principal must decide whether or not to implement a project that originated with one of her employees. Several employees have information about the quality of the project. A successfully implemented project raises the inventor's chance of promotion, at his peer's expense, but a failed project...

Psychological and experimental evidence, as well as a wealth of anecdotal examples, suggests that firms may confound fixed, sunk, and variable costs, leading to distorted pricing decisions. This article investigates the extent to which market forces and learning eventually eliminate these...