TY  - JOUR
AU  - Ren, Tiantian
AU  - Zhou, Zhongbao
AU  - Xiao, Helu
TI  - Estimation of portfolio efficiency considering social responsibility: evidence from the multi-horizon diversification DEA
JO  - RAIRO. Operations Research
PY  - 2021
SP  - 611
EP  - 637
VL  - 55
IS  - 2
PB  - EDP-Sciences
UR  - https://www.numdam.org/articles/10.1051/ro/2021026/
DO  - 10.1051/ro/2021026
LA  - en
ID  - RO_2021__55_2_611_0
ER  -