Our paper presents an original method named The Optimum Limit of the Profitability (O.L.P.), for the characterization of the optimum physical output for one enterprise. On our research paper for the definition of this concept we have started with the exploration of the mathematical models which...

This paper provides a coopetitive model for a global green economy taking into account the environmental sustainability. In particular we propose a differentiable coopetitive game G (in the sense recently introduced by D. Carfì) to represent a basic green economy interaction among a country c...

The Deepwater Horizon incident demonstrated that most of the oil left is deep offshore or in other difficult to reach locations. Moreover, obtaining the oil remaining in currently producing reservoirs requires additional equipment and technology that comes at a higher price in both capital and...