Dynamic pricing holds out the promise of shifting peak demand as well as reducing overall demand. But it also raises thorny issues of fairness. All practical pricing systems involve tradeoffs between equity and efficiency. I examine the circumstances under which equity ought to be allowed to...

This paper analyzes the concept of identity developed by Amartya Sen in recent work, especially in the book Identity and Violence. It discusses the relationship between identity and solidarity, arguing that the former is necessary but by no means sufficient for the latter, so that, contra what...