WANG, Chenyu. Environmental Policy, Mergers and Environmental R&D with Spillovers. Economia, [S. l.], v. 43, n. 86, p. 1–38, 2020. DOI: 10.18800/economia.202002.001. Disponível em: https://revistas.pucp.edu.pe/index.php/economia/article/view/22531. Acesso em: 5 mar. 2026.