Departures from Gibrat's Law, Discontinuities and City Size Distributions
نویسندگان
چکیده
منابع مشابه
Black Hole Entropy: Departures from Area Law
The thermodynamic and euclidean functional integral approaches to black hole entropy are discussed. The existence of some freedom in the definition of the entropy is pointed out and the possibility of a departure from the semiclassical expression discussed in the light of quantum corrections. The semiclassical area dependence of the entropy of matter in the background of a black hole is also re...
متن کاملNestedness and discontinuities in species-range-size distributions.
Gaston's1 discussion of the patterns and mechanisms shaping distribution curves of species-range-sizes leaves out two important issues related to scale and hierarchical structuring of biota. Several provide evidence that species distributions are nested, that is, overlapping in a particular manner in which species with broad ranges often contain much smaller ranges of other species. In nested s...
متن کاملZipf's law in city size from a resource utilization model.
We study a resource utilization scenario characterized by intrinsic fitness. To describe the growth and organization of different cities, we consider a model for resource utilization where many restaurants compete, as in a game, to attract customers using an iterative learning process. Results for the case of restaurants with uniform fitness are reported. When fitness is uniformly distributed, ...
متن کاملThe Evolution of City Size Distributions
We review the accumulated knowledge on city size distributions and determinants of urban growth. This topic is of interest because of a number of key stylized facts, including notably Zipf’s law for cities (which states that the number of cities of size greater than S is proportional to 1/S) and the importance of urban primacy. We first review the empirical evidence on the upper tail of city si...
متن کاملBeyond the power law - a new approach to analyze city size distributions
This work proposes a new approach to analyze the city size distribution (CSD). We present a general equation for the rank size logarithmic plot, with a new positive exponent a. When a = 1, the Pareto distribution is yielded; when a 5 1, the log of the curves exhibits a concave distribution. We studied the CSDs of 41 cases in 35 countries (in several countries we examined cities and metropolitan...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Urban Studies
سال: 2007
ISSN: 0042-0980,1360-063X
DOI: 10.1080/00420980701471935