Originally Posted by CTPremEx
If you actually believed your thesis, explain why all N.A airlines don't have unlimited free domestic upgrades - after all the market would reject any airline that does not offer this - Econ 101?
No, I'm sorry but I'm really not going to get into this. There has not been a single post in this thread addressing the issue of the effect which FF schemes and benefits have on purchasing decisions and behaviour. I may be right or I may be wrong, but this is not a forum in which any sensible debate is going to take place.