Sector structure and productivity of the Spanish economy. Panorama Económico, [S. l.], v. 15, n. 30, p. 79–103, 2020. DOI: 10.29201/peipn.v15i30.35. Disponível em: https://www.revistapanoramaeconomico.mx/index.php/PE/article/view/35. Acesso em: 22 mar. 2026.