The paper analyzes the evolution of the trade specialization patterns in Italy and its main trade partners (France, Germany, and the United States). In the methodological section we discuss the effectiveness of the Lafay index as an indicator of specialization. We then propose some modifications...

The paper discusses the evolution of the oligopoly theory, starting from Augustin Cournot’s seminal contribution until the most recent developments that extensively exploit the sophisticated tools derived from game theory and mechanism design. We then show how the oligopoly models have been...