This paper investigates employee performance appraisals using data from a single US firm between 2001 and 2007. We find that performance appraisals are both informative and drive important components of the employment contract. We find that employee appraisal scores vary considerably both...

We examine the relationship between the employment and compensation of managers and CEOs and the presence of a unionized workforce. We develop a simple efficiency wage model, with a tradeoff between higher wages for workers and more monitoring, which requires more managers. The model also...