Urban economists hypothesize that industrial diversity matters for urban growth and development, but metrics for empirically testing this relationship are limited to simple concentration metrics (e.g. location quotient) or summary diversity indices (e.g. Gini, Herfindahl). As shown by recent...

Industries necessarily differ with respect to their type of geographical concentration. When some industries are overrepresented in urban areas (urban concentration), then some other industries must be overrepresented in rural areas (rural concentration). Unfortunately, the existing measures of...

This paper aims to analyze the degree of concentration of loans allocated to agricultural and livestock activities in Brazil from 2000 to 2009, and to assess the distribution pattern of rural credit among the Brazilian states. The major motivation is to investigate if the volume of available...

This study evaluates the impact of competition on quality, innovation and price in Europe's mobile communications market during the 4G era (2011-18). Our results indicate that European mobile users in more concentrated markets benefitted the most from higher network quality, particularly with...

The introduction of market mechanisms regulating the economy in the Russian Federation has led to change of spatial distribution of economic activity and further increase of regional economic development disparities. All the approaches to the regional policy declared by the Government in the...