We provide empirical evidence of the dynamics of city size distribution for the whole of the twentieth century in U.S. cities and metropolitan areas. We focus our analysis on the new cities that were created during the period of analysis. The main contribution of this paper, therefore, is the...

In this letter I summarise the main results and contributions from my Ph.D. thesis on concentration of resources and economic development. The empirical analysis performed in the thesis, and summarised here, focuses on two mayor world trends in modern economic development, namely increasing...

We investigate an equilibrium search model in which the search frictions are increasing with the distance to the central business district allowing for on-the-job search and endogenous (monopsony) wage formation and land allocation. We find that there are many different possible outcomes with...

This paper studies social-tie formation when individuals care about the geographical location of other individuals. In our model, the intensity of social interactions can be chosen at the same time as friends. We characterize the equilibrium in terms of both social interactions and social...

Global Urban Competitiveness Ranking -- Global Urban Value Chain in History of Human Civilization -- Themed Report: Urban Competitiveness and SDGs -- Progress in the Pursuit of Global Urban Sustainable Development Goals -- From the Perspective of Sustainable Urban Competitiveness -- Progress in...