| 1 | Faustus, the opera, is one of the most famous works of Gounod. | |
| 2 | Obtaining the Cournot equilibrium profit is the ideal result to the duopoly enterprises. | |
| 3 | The paper examines the influence of individual heterogeneity to the efficiency of collective action under the analytic framework of Cournot-Nash equilibrium. | |
| 4 | October 22nd,1883, The Metropolitan Opera House in New York City opens with a performance of Gounod's Faust (opera). | |
| 5 | By analyzing Cournot model, the oligopolists choices among simple games, finitely repeated games and infinitely repeated games are introduced. |