This book, based on economics and game theory, analyzes the changes that Japan is now facing as a reflection of changes in Japanese families and society. The author presents a simple framework for the structural relationship among markets, communities including families, and the state; and uses it to explain the changes that have occurred in Japanese society. Social changes have created a series of social problems such as population ageing, inequality, and regional disparities, which require changes in public policies. The book provides readers with rich information about the Japanese...