This textbook offers an introduction to empirical regional economics, including a comprehensive and systematic overview of the fundamentals, history, development, and applications of economic base models. It not only provides a sound basis for regional economics and regional economic analysis,...

We discuss the role of key regions in spatial development. Local productivity shocks can affect the entire economy as they expand via tight connections in the domestic production network and in uence the geographical allocation of labor. In particular, we identify the set of key regions with the...