This paper reports on an experiment of corruption that was conducted in two treatments: one with the possibility of detection and one without. It turns out that monitoring reduces corruption through deterrence; at the same time, it destroys the intrinsic motivation for honesty. Thus the net effect...

This paper examines whether demands for bribes for particular government services are associated with expedited or delayed policy implementation. The "grease the wheels" hypothesis, which contends that bribes act as speed money, implies three testable predictions. First, on average, bribe...