The paper studies the impact of homophily on the optimal strategies of a monopolist, whose marketing campaign of new product relies on a word of mouth communication. Homophily is a tendency of people to interact more with those who are similar to them. In the model there are two types of...

This paper discusses the merits and limits of the recent European energy policy aimed at reducing carbon emissions, devoting particular attention to the European Trading System of carbon permits and to the measures that the European Union has adopted to promote renewable energy sources. From the...