At the supra-national level (e.g. t

At the supra-national level (e.g. the European Union) estimates show an even less elastic air travel price elasticity of 0.6. The is because as the number of routes covered expands the number of choices for passengers to avoid any travel price increase diminishes. There is less opportunity for traffic to be diverted.

Results (English) 3:

在超国家的水平（如欧盟）的估计显示一个更弹性的航空旅行需求价格弹性0.6。这是因为随着航线数量的增加，乘客的选择数量的增加，以避免任何旅行价格的增加而减少。有较少的机会被挤占。