Re: Question the other way round:

On 17/11/13 13:23, Detlef Bosau wrote:
> The good ol' "Metro Pricing" :-) (Rumour says that the "Metro" in 
> Paris introduced higher prices for first class travellers. So, only 
> persons who could afford this price travelled first class. A certain 
> "entre nous" feeling for the rich. I never checked whether or not this 
> is an urban legend.) 
It was always a classic example when I studied transport systems.
The idea that some people pay more for "the same" to ensure a relatively 
quieter carriage (as fewer people buy that).  Abolished in 1991.

http://www.senat.fr/questions/base/1991/qSEQ910816839.html

-- 
Richard G. Clegg,
Dept of Elec. Eng.,
University College London
http://www.richardclegg.org/