Contents: 1. New themes in institutional analysis : topics and issues from European research / Georg Krücken, Renate E. Meyer and Peter Walgenbach -- 2. The value of institutional logics / Roger Friedland -- 3. What are institutional logics and where is the perspective taking us? / Christina...

This paper addresses the existence of Nash equilibria in one-way flow or directed network models in a number of different settings. In these models players form costly links with other players and obtain resources from them through the directed path connecting them. We find that heterogeneity in...