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

Figure 1

Behaviors of the stationary probability density of urban population size for population growth . Stationary probability density for (a) K = −0.01, K = −0.15, K = −0.29; (b) K = 0.01, K = 0.1, K = 0.19; (c) K = −0.2, K = 0, K = 0.2; and (d) K = −0.1, K = 0, K = 0.1.

(a)

(b)

(c)

(d)