The Dallas Morning News had a good piece on Tuesday about the much-analyzed trend of business travelers buying discounted airline tickets.

Despite significant evidence that the buying habits of business travelers have changed, airline revenue management departments have yet to figure out how to adjust their models. Part of the problem may be a bit of denial. The piece quotes American’s new CEO as saying

The industry has got to find a formula to get average fares up

When he should probably be focusing on getting average costs down…