A large, mature and robust economic literature on pay for performance now exists, which provides a useful framework for thinking about pay for performance systems. I use the lessons of the literature to discuss how to design and implement pay for performance in practice. -- incentives ; pay for...

For a decade, economists have been fascinated by the phenomenon of open source software (OSS). OSS is marked by free access to the software and its source code. It is developed in a public, collaborative manner by thousands of non-paid volunteers as well as profit seeking firms. Today, OSS is...