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首页> 外文期刊>World review of science, technology and sustainable development >Energy and CO_2 emissions efficiency: evidence for the Tunisian transport sector
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Energy and CO_2 emissions efficiency: evidence for the Tunisian transport sector

机译：能源和CO_2排放效率：突尼斯运输部门的证据

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摘要

This study examines a trilateral relationship between transport combustion, fossils consumption and CO_2 emissions from the transport sector and economic growth in Tunisia from 1980 to 2007. First, we study the causality relationship between economic growth and transport combustion and fossils consumption. Empirical results of the study verify the absence of causality relationship between transport combustion, fossils consumption and economic growth in Tunisia but verify the existence of unidirectional causality running from transport combustion and fossils consumption to economic growth in the long-run. Secondly the investigation is made on the basis of the environmental Kuznets curve (EKC) hypothesis, using time series data and cointegration analysis. Carbon dioxide (CO_2) is used as the environmental indicator and GDP as the economic one. The results do support the EKC hypothesis, which assumes an inverted U-shaped relationship between income and environmental degradation with income turning point at about $2,646 (constant 2,000 prices). This implies that policy makers in Tunisia should consider the reconstruction of infrastructure, the development of transport energy consumption and more investment in pollution abatement expenses as a priority. It could be a feasible policy tool for Tunisia to achieve its sustainable growth in the long-run.
机译：这项研究考察了1980年至2007年突尼斯交通运输燃烧，化石消耗和交通运输部门的CO_2排放与经济增长之间的三边关系。首先，我们研究了经济增长与运输燃烧与化石消耗之间的因果关系。该研究的实证结果证实了突尼斯运输燃烧，化石消耗与经济增长之间不存在因果关系，但从长期来看，证实了存在从运输燃烧，化石消耗到经济增长的单向因果关系。其次，使用时间序列数据和协整分析，基于环境库兹涅茨曲线（EKC）假设进行调查。二氧化碳（CO_2）被用作环境指标，GDP被用作经济指标。结果确实支持EKC假设，该假设假设收入与环境恶化之间存在倒U型关系，收入拐点约为2646美元（2,000不变价格）。这意味着突尼斯的决策者应将基础设施的重建，运输能源消耗的发展以及对减少污染费用的更多投资作为优先事项。从长远来看，这可能是突尼斯实现其可持续增长的可行政策工具。

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