González-Blanco, Jennifer; Rodríguez-Domínguez, … - In: European research on management and business economics 30 (2024) 2, pp. 1-10
internal R&D, external R&D and R&D cooperation on the technical efficiency of the firm. The data used come from the Panel de … Frontier Analysis (SFA) and the Heckman correction. The results indicate that both internal R&D and R&D cooperation have a …