This paper aims at demonstrating how countries' dependency on natural resources plays a crucial role in urban concentration. The Zipf's Curve Elasticity is estimated for a group of countries and related to a set of indicators of unilateral transferences. Results show that in comparison to...

The optimization of the location of public services in the villages and neighborhoods in the city of Huambo in Angola results in a hierarchical system of central places that can be calibrated to give different hierarchies according to the accessibility level. This result is achieved for 300...

Chapter 1. Introduction -- Chapter 2. Interregional Migration: Reexamination of Population Redistribution in Russia at the late Soviet Period (Kazuhiro Kumo) -- Chapter 3. Clustering of Small and Medium-Sized Cities in Russia Based on the Assessment of Knowledge Spillovers Localization (Tatyana...