We consider a canonical asset pricing model, where agents with quadratic preferences are allowed to retrade a limited set of securities over multiple periods, after which these securities expire, and agents consume their liquidation values. A key assumption in this model is that agents have...

Although uncertainty plays an important role in economic decisionmaking, empirical measures of individuals' uncertainty are rare. The literature on cognition and communication documents that people use round numbers to convey uncertainty. This paper introduces a method of quantifying the...

This article proposes a way of introducing some organization and tractability in climate science, generating more widely credible evaluations of climate science, and imposing some discipline on the processing and interpretation of climate information. I propose a two-part policy instrument...