Martínez-Alonso, R., Martínez-Romero, M.J. and Rojo-Ramírez, A.A. 2023. R&D collaboration breadth and family-firm innovation efficiency: the role of family management and generational stage. Technological and Economic Development of Economy. 29, 2 (Mar. 2023), 677–695. DOI:https://doi.org/10.3846/tede.2023.18526.