New in softcover. Hardcover was published in 2023. This book gives readers advanced insights into macroeconomics with historical perspectives and proposes policies to resolve the problems the Japanese economy faces. The first part, using a macroeconomic model, is mainly a discussion of health and education problems related to human capital. The second part deals with policy problems related to political institutions, that is, the intergenerational imbalance, preventive medicine, local public utilities, and other political issues.