@article{0a807729df264dabad189da346e6b6bc,
title = "The effects of subway openings on air quality: evidence from China",
keywords = "Air pollution, Difference in differences, Heterogeneous effects, Subway",
author = "De Xiao and Baoxi Li and Qiang Li and Lian An and Shixiong Cheng",
note = "Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.",
year = "2021",
month = dec,
doi = "10.1007/s11356-021-15482-1",
language = "English",
volume = "28",
pages = "66133--66157",
number = "46",
}