The central theme of this book is national land and infrastructure design in the age of the declining population and the recovery from the Great East Japan Earthquake in the affected regions in Japan. Based on the theory of spatial economics and evidence from Japanese history, the authors show that the growing economy with a population increase develops into a multi-cored and complex structure. In the population decline phase, however, such construction will be destabilized because of agglomeration economies in the central core. Then, a catastrophic shock that strikes may provoke the...