TY - JOUR AU - Cordero, José M. AU - Santín González, Daniel PY - 2026 DO - 10.1016/j.omega.2025.103421 SN - 0305-0483 UR - https://hdl.handle.net/20.500.14352/126004 T2 - Omega AB - The assessment of the productivity gap between two or more groups of production units that operate an equivalent production process in different settings is a common challenge in the field of production analysis. These groups need to determine whether... LA - eng M2 - 1 PB - Elsevier KW - Productivity gap KW - Global technical gap KW - Football KW - Sport economics KW - Benchmarking TI - A new approach for measuring productivity gaps across groups: an application with historic footballers from FC Barcelona and Real Madrid TY - journal article VL - 138 ER -