TY - BOOK TI - Grey Systems Theory in Business Management AU - Esangbedo, Moses Olabhele AU - Xue, Jianwu PY - 2025 DA - 2025// DO - 10.3390/books978-3-0365-9654-9 SN - 978-3-0365-9655-6 978-3-0365-9654-9 UR - https://esangbedo.com/publications/esangbedomo2025/ L1 - https://esangbedo.com/publications/Esangbedo%20and%20Xue%20-%202025%20-%20Grey%20Systems%20Theory%20in%20Business%20Management.pdf AB - This book is dedicated to addressing the central challenge of making informed business decisions within an environment characterized by uncertainty, employing Multiple Criteria Decision-Making (MCDM) methodologies. Chapter 1 provides an overview of the related concepts of grey systems theory. Chapter 2 proposes evaluation criteria for five major themes, including human resource information systems and contractor selection problems. Chapters 3–6 present four improved grey hybrid weighting methods: the grey rank order centroid method, the grey regulatory focus theory method, the grey step-wise weight analysis ratio evaluation, and the grey point allocation weighting method. Chapters 710 introduce four improved hybrid grey evaluation methods: the grey weighted sum model, grey relational analysis, the grey regime method, and the grey integer linear programming method. Chapters 1–1 and 12 discuss additional grey decision-making methods, and conclusions are drawn along with future prospects. KW - grey-WSJF ER -