In article ,
(Martin) wrote:

Bottom line, if any of you have ever taken an economics class, a true
economically efficient ATC model includes effects on demand (meaning
costs discouraging usage to some degree), and this is where
republicans are heading, not just in ATC but in most other things

One of these days people will know how to cost safety. Until then,
the notion that anyone can define an economically efficient ATC
model is just horse manure.

--
Bob Noel