This paper selectively surveys the recent literature on price discrimination. The focus is on three aspects of pricing decisions: the information about customers available to firms; the instruments firms can use in the design of their tariffs; and the ability of firms to commit to their pricing...

In this paper, I present and discuss a method for modelling an important trade-off faced by terrorism prevention policies: the trade-off between, on the one hand, trying to reduce people's inclination towards terrorism, and, on the other hand, trying to protect society against existing...