Investigations to the Dynamics of City-Size Distribution Containing Birth and Death Factors

Figure 3

Behaviors of the stationary probability density of urban population size for variance . Stationary probability density for (a) δ = 0.3, δ = 0.4, δ = 0.5 and (b) δ = 0.6, δ = 0.8, δ = 1.

(a)

(b)