We study how the city system is affected by the possibility for the members of the same cultural diaspora to interact across different cities. In so doing, we propose a simple two- city model with two mobile cultural groups. A localized externality fosters the productivity of individuals when...

Much of the world's built environment is found in urban areas, and cities are thought to be responsible for up to 70 percent of global greenhouse gas (GHG) emissions, and up to 80 percent of primary energy demand. Most of the energy consumed in the world fuels urban industry, powers urban homes...

The report is organized into seven chapters, as follows, with additional text supported by data in the annexes: this first chapter sets out the context for the report, presents the objectives, outlines the methodology and approach, and briefly introduces the scope and organization. Chapter two...

The recent global diffusion of new technologies, combined with the use of big data analytics, can help policymakers promote the effective development of future cities that provide living and work environments in which citizens can thrive. In particular, innovative applications of geospatial and...