We explore the issue of minorities' survival in the presence of positive network externalities. We rely on a simple example of thematic clubs to illustrate why and how such survival problems might appear, first considering the case of simple-network effects (fully anonymous externalities) and...

The press industry depends in a crucial way on the possibility of financing an important fraction of its activities by advertising receipts. We show that this may induce the editors of the newspapers to moderate the political message they display to their readers, compared with the political...

We characterize generally the Bayesian Nash equilibria of a voluntary contributions public goods game for two consumers with private information.The two consumers simultaneously make voluntary contributions to the public good, and the contributions are refunded if the total falls short of the...