Two distinct classes can be seen as revealed by two distinct curves. Lower Class plotting out a Bolzmann-Gibbs exponential law and the Upper class clearly defined by a Pareto-power law.
by VM Yakovenko - Cited by 4 - Related articles
Dr. Victor Yakovenko, University of Maryland (KITP Colloquium 6/02/04). 1. 1. Statistical ... Boltzmann-Gibbs probability distribution P(m) ∝ exp(−m/T) of money m, where T ... Very robust exponential law for the great majority of population.