چکیده:
The main aim of this study is to investigate the impacts of population total, gross domestic product per capita, urbanization rate and energy use on carbon emissions in Nigeria for a period of 1981-2015 using autoregressive distributed lag approach to co-integration (ARDL). The empirical results revealed evidence of a long run relationship among the variables. The generalized ridge regression was used to correct the presence of multicollinearity among the explanatory variables in the long-run. Results show that population total, gross domestic product per capita, urbanization rate and energy use have a positive impact on carbon emissions. Energy use and urbanization both contributed significantly to increasing carbon emissions in the long and short run respectively. Considering the fact that the factors investigated in this study are of the increasing trend in this nation there is a need to implement policies to curb the increasing rate of carbon emissions in Nigeria.
خلاصه ماشینی:
Onate4 Received: April 23, 2018 Accepted: June 30, 2018 Abstract T he main aim of this study is to investigate the impacts of population total, gross domestic product per capita, urbanization rate and energy use on carbon emissions in Nigeria for a period of 1981-2015 using autoregressive distributed lag approach to co-integration (ARDL).
Results show that population total, gross domestic product per capita, urbanization rate and energy use have a positive impact on carbon emissions.
Poumanyvong and Kaneko (2010) examined the impact of urbanization on energy use and CO2 emissions by considering different development stages using the STIRPAT model along with balanced panel dataset covering the period 1975-2005 and concluded that urbanization positively affect CO2 emissions which are also confirmed by a number of studies (Cole and Neumayer, 2004; Liddle and Lung, 2010).
Table 5: Result of the Unit Root Test of the Variables ADF TEST Variable Variable Status Name Indicator Trend Result Intercept and Intercept Carbon emissions Population total Original Urbanization rate Gdp per capita Energy use Ct -1.
The results reported in Table 7 and 8 shows the long-run and short-run analysis alongside the robust analysis of the long-run analysis impacts of carbon emission on population total, urbanization rate, gross domestic product per capita and energy use in Nigeria.
Results show that population total, urbanization level, gross domestic product per capita and energy use positively influenced carbon emissions in Nigeria.
Conclusions and Policy Recommendation The STIRPAT model was employed to examine the impacts of population total, gross domestic product per capita, urbanization rate and energy use on carbon emissions in Nigeria for a period of 1981-2015.