“Beyond Skill Mismatch. Why There Are so Many Unfilled Vacancies and Simultaneously High Unemployment Rates?”. Revista Lusófona de Economia e Gestão das Organizações, no. 2 (April 13, 2016): 9–27. Accessed August 14, 2026. https://revistas.ulusofona.pt/index.php/r-lego/article/view/5420.