From the LA Times:

Jan Brueckner, an economics professor at UC Irvine, said the recession might have taught many businesses that they could spend less on travel by relying instead on video conferencing and other options. "It's uncertain if the foundation of business travel has been undermined," he said.

For the full story, please visit http://www.latimes.com/business/la-fi-airlines1-2010mar01,0,7097394.story.