The books address six main themes: (1) Polarization and diversification of values, progress of regionalism and restructuring of multilateral rules, (2) Full-scale arrival of the digital economy and its impact, (3) Empowerment of private persons/entities, (4) Reconsideration of the concept of “territorial jurisdiction”, (5) Law of national security and rule in emergency situations, and (6) Values of Sustainable Development Goals (SDGs) in trade and investment liberalization rules. The books also examine various legal problems under the COVID-19 crisis and suggest how the post-COVID-19 global economic order will be from the perspective of Asia and/or Japan. This comprehensive insight will shed light on the intertwined and complex phenomena of world economy and allow readers of business law and international law to have a better understanding of this volatile era.