The recent literature on instrumental variables (IV) features models in which agents sort into treatment status on the basis of gains from treatment as well as on baseline-pretreatment levels. Components of the gains known to the agents and acted on by them may not be known by the observing...

University fees have recently trebled in England, prompting fears that young people may be put off from participating in higher education. We investigate students' knowledge and their receptiveness to information campaigns about the costs and benefits of staying on in education. We compare the...