The asymmetric role of freight and passenger transportation in testing EKC in the US economy: evidence from QARDL approach
Crossref DOI link: https://doi.org/10.1007/s11356-020-09299-7
Published Online: 2020-05-24
Published Print: 2020-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Godil, Danish Iqbal
Sharif, Arshian http://orcid.org/0000-0002-1155-4151
Afshan, Sahar
Yousuf, Adnan
Khan, Syed Abdul Rehman
Text and Data Mining valid from 2020-05-24
Version of Record valid from 2020-05-24
Article History
Received: 16 December 2019
Accepted: 13 May 2020
First Online: 24 May 2020