This book outlines the core concept of the theory of mixed oligopoly and presents recent results that have arisen in a mixed oligopolistic market. The wave of privatization since the 1980s has taken the development of the theory of mixed oligopoly in several directions. Although the main concern of the theory of mixed oligopoly focuses on the effect of regime change especially privatization of a public firm on social welfare, existing studies have not considered the difference in economic environments. With drastic changes in economic environments along with economic development in recent...

This book gives readers advanced insights into macroeconomics with historical perspectives and proposes policies to resolve the problems the Japanese economy faces. In the past decade, Japan has experienced a rapidly aging population with an ever-decreasing number of children. This causes significant problems related to macroeconomics covered by this book: a decreasing population, an increasing public debt, an increasing social security expenditure, and deteriorating labor productivity. Thus, the government must change the course it has followed until now. These problems can be categorized...