more quantitative way, a new set of measures is developed that focuses on both the global extent and local density of …

The spatial structure of transport networks is subject to increasing returns in transportation, distance, and density … of spacing and hierarchical relations) given the presence of density and distance economies in transportation. …

larger market size in terms of population density leads to a higher incentive for individuals to become entrepreneurs. A 10 …% increase in the population density increases the share of people who wish to become entrepreneurs by approximately 1%. In … densities. The self-employment ratio is negatively associated with population density in prefectures with medium densities. …