This book presents a new technique for measuring the contributions of the participants in cooperation schemes and formulates a dynamic fair gain-sharing solution that reflects the contributions of the participants. The solution entails individual rationality, group optimality, time consistency, and fair gain-sharing principles. This innovative solution is applicable across a diverse array of dynamic games and is expected to offer an effective means to resolve real-life challenges in collaboration and stands as a reference solution to United Nations cooperation initiatives.The topics in the book include: Dynamic Fair Gain-sharing Cooperation: Theory and Solution Techniques;Application of Fair Gain-sharing in Global Environmental Management;Dynamic Joint Ventures and Fair Gain-sharing;Fair Gain-sharing under Random Exit;Dynamic Fair Gain-sharing in Games on a Network;Fair Gain-sharing under Dynamic Uncertainty;