An enormous number of empirical papers have estimated technical efficiency, the distance of firms inside a frontier, following the model of Farrell (1957). We propose a theory that explains the distance these empirical papers seek to measure. The theory is based on the idea that workers can...

The usual analysis of privatization and X-inefficiency uses agency theory to model managerial effort. We model worker effort as determined by a bargain between firms and workers. Workers dislike effort because it lowers utility. Firms prefer high effort because it raises productivity....