Luo, Ji
Wang, Yahua
Li, Guangqin
Funding for this research was provided by:
National Planning Office of Philosophy and Social Sciences (22AZD050)
National Office for Philosophy and Social Sciences
National Natural Science Foundation of China (71721002)
Tsinghua University (2021TSG0820)
This article is maintained by: Elsevier
Article Title: The innovation effect of administrative hierarchy on intercity connection: The machine learning of twin cities
Journal Title: Journal of Innovation & Knowledge
CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.jik.2022.100293
Content Type: article
Copyright: © 2023 The Authors. Published by Elsevier España, S.L.U. on behalf of Journal of Innovation & Knowledge.