Financial efficiency and financial resource allocation of Beijing–Tianjin–Hebei urban agglomerationCe Guo, Jianwen Fu, Fangning Ma, Jingjing Zhan, Yi Sun and Qiwei XieRAIRO-Oper. Res., 58 1 (2024) 207-228DOI: https://doi.org/10.1051/ro/2023131
