Combat is the most intense form of military service, but several aspects of the training experience, which explicitly prepares people for violent warfare, are hypothesized to link service to violent crime. Using Australia's Vietnam-era conscription lotteries for identification and criminal court...

A large literature has documented significant public health benefits associated with the minimum legal drinking age in the United States, particularly because of the resulting effects on motor vehicle accidents. These benefits form the primary basis for continued efforts to restrict youth access...

While randomized controlled trials (RCTs) are the “gold standard” for impact evaluation, they face numerous practical barriers to implementation. In some circumstances, a randomized-encouragement design (RED) is a viable alternative, but applications are surprisingly rare. We discuss the...

We seek to quantify the role of education as a mechanism through which family background affects earnings. To this end, we propose a generalisation of statistical 'mediation analysis'. In our approach, the treatment and mediator can be multidimensional. This allows us to directly and flexibly...