[physcab]

Just wanted to say that I think the argument for "needing" corporate jets was that the time spent traveling on commercial airlines was detrimental to the company. Supposedly those private jets are used to get the executives from one place to another in a quick way so they could do more business or keep doing business and not be interrupted.

Like everyone else though, I'd like to see some scientific proof of that.

[byrneseyeview]

I suspect that if that were really the case, you'd hear about it from corporate jet sellers ("We compared our clients to their Fortune 500 peers, and found that companies with jets outperform the rest of the market by 2% a year!")

[physcab]

Well, to be fair, I wouldn't hear about it, because I do not make >20million a year :)

I wonder how advertising works for the super-super-duper rich?

[arebop]

As it turns out, this is actually one of the selling points used by the manufacturers: "If time is money, then the time saved jetting from continent to continent is money in the bank." --- http://www.gulfstream.com/products/g650/

They're not generally selling to engineers so AFAIK they don't try to make the argument rigorous and quantitative, but there it is.