Pierrevon Mouche (1959) studied theoretical physics, mathematics and astronomyat the University of Nijmegen. He received his PhD in mathematics from theUniversity of Utrecht under the supervision of Hans Duistermaat. Since1989 he holds a position in economics at Wageningen University. Hisscientific interest include mathematical economics and in particular theequilibrium structure of games in strategic form.Federico Quartieri (1979) studied economics at the University ofFlorence. He received his PhD in economics from the University of Siena.Since 2014 he holds a position in mathematical economics at the UniversityFederico II of Naples. His scientific interest include mathematical economicsand game theory.

• Introduction.- On the Works of Professor Koji Okuguchi.- Cournot, aNon-strategic Economist.-Cournot Tatonnement in Aggregative Games with MonotoneBest Responses.- Existence and Uniqueness of Nash Equilibrium in AggregativeGames: an Expository Treatment.- On the Geometric Structure of the CournotEquilibrium Set: the Case of Concave Industry Revenue and Convex Costs.- PureStrategy Equilibria in Finite Symmetric Concave Games and an Application toSymmetric Discrete Cournot Games.- On a Discontinuous Cournot Oligopoly.-Interpreting Markups in Spanish Manufacturing: the Exponential Model.-Privatization Neutrality Theorem and Discriminatory Subsidy Policy.- CournotOligopoly Theory for Simple Electricity Markets.- Kant-Nash Equilibria in a Quantity-Setting Oligopoly.-EvolutionaryOligopoly Models of Commercial Fishing with Heterogeneities.- Existence,Uniqueness, and Comparative Statics in Contests.- Two-Group Contests withCommunication Within and Between Groups.- On the Nash Equilibrium of AsymmetricPublic-Good Contests.- Heterogeneity and Number of Players in Rent-Seeking,Innovation, and Patent-Race Games.