The purpose of this note is to argue that degree of nonextensivity as given by Tsallis distribution obtained from maximum entropy principle has a different origin than nonextensivity inferred from pseudo-additive property of Tsallis entropy.
Tsallis entropy: How unique?
Jaynes' Maximum Entropy Principle, Riemannian Metrics and Generalised Least Action Bound
H-theorem and Thermodynamics for generalized entropies that depend only on the probability
