Open AccessHigh-speed Railway’s Opening and Commercial Development: A Test Perspective of Multi-period Difference-in-difference
Author(s) -
Danqi Li,
Ling Dai,
Si-Ying Gong
Publication year - 2021
Publication title -
advances in economics, business and management research/advances in economics, business and management research
Language(s) - English
Resource type - Conference proceedings
eISSN - 2731-7854
pISSN - 2352-5428
DOI - 10.2991/aebmr.k.210803.057
Subject(s) - period (music) , test (biology) , perspective (graphical) , significant difference , computer science , engineering , mathematics , artificial intelligence , geology , statistics , physics , acoustics , paleontology