[Terr_]

There are a variety of simple market simulations one can come up with where--despite every participant being equally skilled--the final outcome is always one rich guy and everyone else poor.

When you combine some of these simple models with an adjustable "redistributed back by tax" function, you get results which resemble the various countries of the world.

http://www.scientificamerican.com/article/is-inequality-inev...