This paper studies how the swiftness and delay of punishment affect behavior. Using rich administrative data from automated speed cameras, we exploit two (quasi-)experimental sources of variation in the time between a speeding offense and the sending of a ticket. At the launch of the speed...

In many developing and emerging economies, frequent power outages are often a consequence of electricity rationing, stemming from the insufficient generation capacity to meet peak demand. In an effort to minimize the disruption caused by sudden power outages, utilities often implement scheduled...