In order to deliver an innovation principals employ competing agents in some circumstances, while employing research team in other circumstances. This paper compares various structures of R&D to provide a rational behind this observation. It is assumed, that the principal can employ either one...

This paper extends the standard principal-agent model with moral hazard to allow for agents having reference- dependent preferences according to Köszegi and Rabin (2006, 2007). The main finding is that loss aversion leads to fairly simple contracts. In particular, when shifting the focus from...