LIU, Xueyan; GE, Yuting; WU, Jiachen. The Causal Effects of Pilot Policies on Low-Altitude Economy Growth—Multi-Period DID and Event-Study Evidence from China. International Journal of Global Economics and Management, [S. l.], v. 8, n. 2, p. 174–188, 2025. DOI: 10.62051/ijgem.v8n2.20. Disponível em: https://ijgem.org/index.php/ojs/article/view/188. Acesso em: 20 jun. 2026.