Original scientific paper
https://doi.org/10.1080/1331677X.2022.2049979
Asymmetric linkages between public-private partnership, environmental innovation, and transport emissions
Li Liu
Ahsan Anwar
Esma Irmak
Irem Pelit
Abstract
No one denied the significant role of transportation infrastructure in
economic development; however, it is also considered a major contributor
to global warming. Therefore, to achieve sustainable development,
it is imperative to transform the transport sector
investment into low-carbon transportation choices. The public-private
partnership investment in the transport sector could be proved
a suitable tool for sustainable transport and efficiency. Therefore,
we investigate the significance of public-private partnership investment
(PPP) on transport emissions by incorporating the role of
environmental innovation, economic growth, and population. Our
preliminary findings confirm that all variables are abnormally distributed
and embodied with structural breaks that distort true parameters
in traditional regression. In compliance, we employ Quantile
ARDL (QARDL) technique which provides more reliable results in
case of non-normality, dynamic trends, and structural changes in
data. The long-run empirical outcomes indicate that PPP reduces
transport emissions mainly from middle (40th) to highest (95th)
emissions quantiles. Similarly, environmental innovation reduces
transport emissions from 60th to 95th quantiles. These results imply
that the emissions-mitigating effect of PPP and environmental
innovation is only pronounced at higher levels of transport emissions.
The results provide valuable policy recommendations.
Keywords
Public-private partnership in transport; environmental innovation; transport emissions; sustainable transportation; QARDL
Hrčak ID:
302985
URI
Publication date:
31.3.2023.
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