KARBOWSKI, A. Schumpeterian hypothesis revisited: on market structure and firms’ R&D. Ekonomia i Prawo. Economics and Law, [S. l.], v. 19, n. 4, p. 699–712, 2020. DOI: 10.12775/EiP.2020.045. Disponível em: https://apcz.umk.pl/EiP/article/view/EiP.2020.045. Acesso em: 23 jul. 2024.