In a systematic study of the political economy of East Asia, Cai adopts an historical perspective alongside a contemporary focus, exploring East Asia's development since the late 19th century. Following similar paths to economic development, East Asian states have achieved economic success, integrating themselves into a regional economy.

While major theories of economic regionalism in the existing literature are primarily constructed to explore institutionalized regional integration, European integration in particular, the analytical framework developed in this work explains the unique process and pattern of regional integration in East Asia.

With the KMT regaining power from the DPP on May 20, 2008, both Beijing and Taipei have been adjusting their policies toward each other. However, these recent changes can be seen as part of the overall ongoing process of policy adjustment in both Beijing and Taipei, in response to changing domestic and external conditions since the 1980s. This book explores the process of attitude change and policy adjustment on both sides of the Straits since the 1980s and offers policy recommendations.