Does Economic Policy Uncertainty Affect CO2 Emissions? Empirical Evidence from the United States

被引：80

作者：

Wang, Qing ^{[1
]}

Xiao, Kefeng ^{[2
]}

Lu, Zhou ^{[3
]}

机构：

[1] Wuhan Univ, Dept Finance Econ & Management Sch, Wuhan 430072, Peoples R China

[2] Wuhan Univ, Econ & Management Sch, Wuhan 430072, Peoples R China

[3] Tianjin Univ Commerce, Sch Business, Tianjin 300134, Peoples R China

来源：

SUSTAINABILITY | 2020年 / 12卷 / 21期

关键词：

CO2; emissions; economic policy uncertainty; World Uncertainty Index; ARDL model; United States; KUZNETS CURVE HYPOTHESIS; ENERGY-CONSUMPTION; INCOME; GROWTH; INVESTMENT;

D O I：

10.3390/su12219108

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper aims to examine the effects of economic policy uncertainty (measured by the World Uncertainty Index-WUI) on the level of CO2 emissions in the United States for the period from 1960 to 2016. For this purpose, we consider the unit root test with structural breaks and the autoregressive-distributed lag (ARDL) model. We find that the per capita income promotes CO2 emissions in the long run. Similarly, the WUI measures are positively associated with CO2 emissions in the long run. Energy prices negatively affect CO2 emissions both in the short run and the long run. Possible implications of climate change are also discussed.

引用

页码：1 / 11

页数：11

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