Monopolar Concentration in Tokyo and Promotion of Urban-to-Rural Migration

Author Name KONDO Keisuke (Senior Fellow, RIETI)
Creation Date/NO. April 2019 19-P-006
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First draft: April 2019
Revised: April 2020


This study analyzes interregional migration decision-making in terms of utility maximization. Given that indirect utility consists of real income and migration costs, migration decision depends on whether additional benefits of real income by migration at least offset the costs of migration. To quantify migration costs from interregional migration flow data, this study constructs a structural model of migration decision by incorporating different migration costs at each age of life. This study further discusses whether current migration policy is effective based on the counterfactual results since the Japanese government currently promotes urban-to-rural migration policy measures for regional revitalization in order to correct monopolar concentration in Tokyo.