| They are better than last season but still a little short to trouble the duopoly at the very top, just like Huub Stevens had warned. |
| The level of fares decreases when a market passes from monopoly to duopoly or towards more than two carriers. |
| Today, two upstarts on opposite coasts are attacking the duopoly with tech-influenced business models. |
| If other states follow suit, it could slowly reverse the ideological duopoly that has taken over the House. |
| But sense prevailed and a comfortable duopoly closed in on Sydney newspaper readers. |
| He also considered conditions for equilibrium with monopoly, duopoly and perfect competition. |
