Tác động của giá dầu lên lượng khí thải CO2 tại Việt Nam: Liệu có tồn tại hiệu ứng bất đối xứng?
DOI:
https://doi.org/10.24311/jabes/2023.34.12.1Keywords:
Oil Prices, CO2 Emissions, Energy Consumption, Pollution, Non-linear ARDL, Asymmetric RelationshipAbstract
This study investigates the asymmetric effects of oil prices on emissions in Vietnam by using the Non-linear Autoregressive Distributed Lag (NARDL) approach with annual data on real crude oil prices, energy consumption, real per capita income and emissions in the period 1984–2021. The important results are in threefold. First, oil prices have a significant negative impact on emissions in the long term, specifically, an increase in oil prices contributes to reducing emissions and a decrease in oil prices increases emissions, which causes environmental pollution. Second, an increase in oil prices has a stronger influence than a decrease in oil prices on emissions, which implies the existence of an asymmetric effect of the impact of oil prices on emissions in the long term. Third, in the short term, the asymmetric impact of oil prices on emissions has the opposite trend compared to the long term. These findings are considered a meaningful reference source for using energy efficiently and minimizing emissions to improve environmental quality.
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