In this article, the virtual water exchange between Mediterranean countries is considered, reference being to the implicit water content of traded goods. Virtual water flows associated with trade in agricultural goods are estimated. Subsequently, a general equilibrium economic model is used to...

In this article, a model is introduced that has 2 distinguishing features. First, the multidimensional nature of competition in media markets characterized by free access and advertising is acknowledged, through explicit modeling of vertical and horizontal differentiation. Second, the price of...