From Nobel Prize–winning economist Jean Tirole, a bold new agenda for the role of economics in societyWhen Jean Tirole won the 2014 Nobel Prize in Economics, he suddenly found himself being stopped in the street by complete strangers and asked to comment on issues of the day, no matter how...

We analyze social and economic phenomena involving beliefs which people value and invest in, for affective or functional reasons. Individuals are at times uncertain about their own "deep values" and infer them from their past choices, which then come to define who they areʺ. Identity...

Our companion article developed a clear conceptual framework of negotiated or regulated interconnection agreements between rival operators and studied competition between interconnected networks, under the assumption of non-discriminatory pricing. This article relaxes this assumption and allows...