This volume contains the key innovative papers in economic geography, encompassing work on core-periphery structures of countries and on systems of cities. It includes theory papers on core-periphery structures, on urban systems and industrial urban structures, and on the dynamics of evolution of urban and industrial concentrations. It also includes empirical work, starting with a more recent literature based on the new economic geography, as well as key empirical papers on agglomeration economies, spatial concentration, and urban evolution.This insightful volume highlights the achievement of economic geography in recent years as well as providing strong econometric evidence to substantiate theoretical developments. It will be invaluable to researchers and practitioners alike.