Gapologist. Yes, it's obvious. I become one every month when I examine the difference between what I've been paid and what I think I'm worth.

And it does appear to have an economic connection. The only reference I could find to it, however is:

http://www.rdues.liv.ac.uk/frames/ind951.html

Not particularly satisfying or explanatory.

The idiot also known as Capfka ...